Entity Central Index Key Interest bearing domestic deposit negotiable order of withdrawal (NOW), savings and money market accounts. Interest bearing domestic deposit money market and demand accounts. Interest bearing domestic deposit other savings. Time deposits less than 250000. Time deposits 250000 or more. Cover [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity Interactive Data Current Entity Interactive Data Current Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Entity Current Reporting Status Entity Current Reporting Status Entity Shell Company Entity Shell Company Entity File Number Entity File Number Entity Tax Identification Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Incorporation State Country Code Entity Address, Address Line One Entity Address Address Line1 Entity Address, City or Town Entity Address City Or Town Entity Address, State or Province Entity Address State Or Province Entity Address, Postal Zip Code Entity Address Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Title of each class Security12b Title Name of each exchange on which registered Security Exchange Name Equity and other securities, at fair value. Assets held for sale not part of disposal group excluding loans receivable. Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] Cash and due from banks Cash And Due From Banks Interest bearing deposits with other banks Interest Bearing Deposits In Banks Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Equity and other securities, at fair value Equity And Other Securities At Fair Value Securities available-for-sale, at fair value Available For Sale Securities Debt Securities Securities held-to-maturity, at amortized cost (fair value at September 30, 2019—$4,502, December 31, 2018—$97,739) Held To Maturity Securities Restricted stock, at cost Restricted Investments Loans held for sale Loans Receivable Held For Sale Net Not Part Of Disposal Group Loans and leases: Loans And Leases Receivable Net Reported Amount [Abstract] Loans and leases Loans And Leases Receivable Gross Carrying Amount Allowance for loan and lease losses Loans And Leases Receivable Allowance Net loans and leases Loans And Leases Receivable Net Reported Amount Servicing assets, at fair value Servicing Asset At Fair Value Amount Accrued interest receivable Interest Receivable Premises and equipment, net Property Plant And Equipment Net Assets held for sale Assets Held For Sale Not Part Of Disposal Group Excluding Loans Receivable Other real estate owned, net Foreclosed Assets Goodwill Goodwill Other intangible assets, net Finite Lived Intangible Assets Net Bank-owned life insurance Bank Owned Life Insurance Deferred tax assets, net Deferred Income Tax Assets Net Due from counterparty Accounts Receivable Gross Other assets Other Assets Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities And Stockholders Equity [Abstract] LIABILITIES Liabilities [Abstract] Non-interest-bearing demand deposits Noninterest Bearing Domestic Deposit Demand Interest-bearing deposits: Interest Bearing Deposit Liabilities Domestic By Component [Abstract] NOW, savings accounts, and money market accounts Interest Bearing Domestic Deposit Negotiable Order Of Withdrawal N O W Savings And Money Market Accounts Time deposits Interest Bearing Domestic Deposit Time Deposits Total deposits Deposits Accrued interest payable Interest Payable Current And Noncurrent Line of credit Line Of Credit Federal Home Loan Bank advances Advances From Federal Home Loan Banks Securities sold under agreements to repurchase Securities Sold Under Agreements To Repurchase Junior subordinated debentures issued to capital trusts, net Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust Accrued expenses and other liabilities Accrued Liabilities And Other Liabilities Total liabilities Liabilities STOCKHOLDERS’ EQUITY Stockholders Equity [Abstract] Preferred stock Preferred Stock Value Common stock, voting, $0.01 par value at September 30, 2019 and December 31, 2018; 150,000,000 shares authorized at September 30, 2019 and December 31, 2018; 38,169,126 shares issued and outstanding at September 30, 2019 and 36,343,239 issued and outstanding at December 31, 2018 Common Stock Value Additional paid-in capital Additional Paid In Capital Retained earnings Retained Earnings Accumulated Deficit Accumulated other comprehensive income (loss), net of tax Accumulated Other Comprehensive Income Loss Net Of Tax Total stockholders’ equity Stockholders Equity Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Securities held-to-maturity, fair value Held To Maturity Securities Fair Value Common stock, voting par value Common Stock Par Or Stated Value Per Share Common stock, voting shares authorized Common Stock Shares Authorized Common stock, voting shares issued Common Stock Shares Issued Common stock, voting shares outstanding Common Stock Shares Outstanding Interest expense federal home loan bank and federal reserve bank advances. Interest expense subordinated debentures and other borrowings. ATM and interchange fees. Wealth management and trust income Loan and lease related expenses. Legal, audit and other professional fees. Gains (losses) on sales of other real estate and other related expenses. Regulatory assessments. Income Statement [Abstract] Statement [Table] Statement [Table] Product and Service Product Or Service [Axis] Product and Service Products And Services [Domain] Fees and Service Charges on Deposits [Member] Deposit Account [Member] Loan Servicing Revenue [Member] Bank Servicing [Member] Loan servicing asset revaluation. Loan Servicing Asset Revaluation [Member] Loan Servicing Asset Revaluation [Member] Statement [Line Items] Statement [Line Items] INTEREST AND DIVIDEND INCOME Interest And Dividend Income Operating [Abstract] Interest and fees on loans and leases Interest And Fee Income Loans And Leases Interest on taxable securities Interest Income Securities Taxable Interest on tax-exempt securities Interest Income Securities Tax Exempt Other interest and dividend income Other Interest And Dividend Income Total interest and dividend income Interest And Dividend Income Operating INTEREST EXPENSE Interest Expense [Abstract] Deposits Interest Expense Deposits Federal Home Loan Bank advances Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Subordinated debentures and other borrowings Interest Expense Subordinated Debentures And Other Borrowings Total interest expense Interest Expense Net interest income Interest Income Expense Net PROVISION FOR LOAN AND LEASE LOSSES Provision For Loan And Lease Losses Net interest income after provision for loan and lease losses Interest Income Expense After Provision For Loan Loss NON-INTEREST INCOME Noninterest Income [Abstract] Fees and charges Revenue From Contract With Customer Including Assessed Tax ATM and interchange fees A T M And Interchange Fees Net gains on sales of securities available-for-sale Debt And Equity Securities Gain Loss Change in fair value of equity securities, net Equity Securities Fv Ni Realized Gain Loss Net gains on sales of loans Gain Loss On Sales Of Loans Net Wealth management and trust income Wealth Management And Trust Income Other non-interest income Noninterest Income Other Total non-interest income Noninterest Income NON-INTEREST EXPENSE Noninterest Expense [Abstract] Salaries and employee benefits Labor And Related Expense Occupancy expense, net Occupancy Net Equipment expense Equipment Expense Loan and lease related expenses Loan And Lease Related Expenses Legal, audit and other professional fees Legal Audit And Other Professional Fees Data processing Information Technology And Data Processing Net loss (gain) recognized on other real estate owned and other related expenses Gains Losses On Sales Of Other Real Estate And Other Related Expenses Regulatory assessments Regulatory Assessments Other intangible assets amortization expense Amortization Of Intangible Assets Advertising and promotions Marketing And Advertising Expense Telecommunications Communication Other non-interest expense Other Noninterest Expense Total non-interest expense Noninterest Expense INCOME BEFORE PROVISION FOR INCOME TAXES Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest PROVISION FOR INCOME TAXES Income Tax Expense Benefit NET INCOME Net Income Loss Dividends on preferred shares Preferred Stock Dividends Income Statement Impact INCOME AVAILABLE TO COMMON STOCKHOLDERS Net Income Loss Available To Common Stockholders Basic EARNINGS PER COMMON SHARE Earnings Per Share [Abstract] Basic Earnings Per Share Basic Diluted Earnings Per Share Diluted Statement Of Other Comprehensive Income [Abstract] Net income Securities available-for-sale Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease [Abstract] Unrealized holding gains (losses) arising during the period Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax Reclassification adjustments for net gains included in net income Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Sale Of Securities Before Tax Tax effect Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent Net of tax Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent Cash flow hedges Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease [Abstract] Unrealized holding gains (losses) arising during the period Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax Reclassification adjustments for net gains included in net income Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax Tax effect Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Net of tax Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent Total other comprehensive income (loss) Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Comprehensive income Comprehensive Income Net Of Tax Tax Cuts and Jobs Act of 2017 reclassification from aoci to retained earnings. Adjustments to additional paid in capital, issuance cost of business combination. Statement Of Stockholders Equity [Abstract] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Preferred Stock Preferred Stock [Member] Common Stock Common Stock [Member] Additional Paid-In Capital Additional Paid In Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income [Member] Adjustments for New Accounting Pronouncements Adjustments For New Accounting Pronouncements [Axis] Type of Adoption Type Of Adoption [Member] ASU 2016-01 Accounting Standards Update201601 [Member] Beginning balance Beginning balance, shares Shares Outstanding Other comprehensive income (loss), net of tax Issuance of common stock upon exercise of stock options Stock Issued During Period Value Stock Options Exercised Issuance of common stock upon exercise of stock options, shares Stock Issued During Period Shares Stock Options Exercised Issuance cost in connection with business combination Adjustments To Additional Paid In Capital Issuance Cost Of Business Combination Issuance of common stock and stock options due to business combination, net of issuance costs Stock Issued During Period Value Acquisitions Issuance of common stock and stock options due to business combination, net of issuance costs, shares Stock Issued During Period Shares Acquisitions Issuance of common stock in connection with restricted stock awards Stock Issued During Period Value Restricted Stock Award Gross Issuance of common stock in connection with restricted stock awards, shares Stock Issued During Period Shares Restricted Stock Award Gross Forfeiture of restricted stock awards Stock Issued During Period Value Restricted Stock Award Forfeitures Forfeiture of restricted stock awards, shares Stock Issued During Period Shares Restricted Stock Award Forfeited Issuance of common stock in connection with employee stock purchase plan Stock Issued During Period Value Employee Stock Purchase Plan Issuance of common stock in connection with employee stock purchase plan, shares Stock Issued During Period Shares Employee Stock Purchase Plans Cumulative-effect adjustment (ASU 2016-01) Cumulative Effect On Retained Earnings Net Of Tax1 Reclassification of certain income tax effects from accumulated other comprehensive income (loss) Tax Cuts And Jobs Act Of2017 Reclassification From Aoci To Retained Earnings Cash dividends declared on preferred stock Dividends Preferred Stock Cash Share-based compensation expense Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Ending balance Ending balance, shares Change in fair value of equity securities. Payments for originations of US government guaranteed loans. Proceeds from US government guaranteed loans sold. Accretion of premiums and discounts on acquired loans, net. Net change in servicing assets. Amortization of time deposit premium. Amortization of Federal Home Loan Bank advances premium. Proceeds from paydowns of securities available-for-sale. Proceeds from paydowns of securities held-to-maturity. Payments for proceeds from cash acquired from acquisition of business. Statement Of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES Net Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to net cash from operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Impairment loss on assets held for sale Impairment Of Long Lived Assets To Be Disposed Of Depreciation and amortization of premises and equipment Depreciation Amortization And Accretion Net Change in fair value of equity securities, net Change In Fair Value Of Equity Securities Net amortization of securities Accretion Amortization Of Discounts And Premiums Investments Net gains on sales of securities available-for-sale Losses on disposal of premises and equipment Gain Loss On Sale Of Property Plant Equipment Net gains on sales of assets held for sale Gain Loss On Sale Of Properties Net gains on sales of loans Originations of U.S. government guaranteed loans Payments For Originations Of U S Government Guaranteed Loans Proceeds from U.S. government guaranteed loans sold Proceeds From U S Government Guaranteed Loans Sold Accretion of premiums and discounts on acquired loans, net Accretion Of Premiums And Discounts On Acquired Loans Net Net change in servicing assets Net Change In Servicing Assets Net valuation adjustments on other real estate owned Other Real Estate Valuation Adjustments Net gains on sales of other real estate owned Gains Losses On Sales Of Other Real Estate Amortization of time deposit premium Amortization Of Time Deposit Premium Amortization of Federal Home Loan Bank advances premium Amortization Of Federal Home Loan Bank Advances Premium Accretion of junior subordinated debentures discount Accretion Expense Share-based compensation expense Share Based Compensation Deferred tax provision, net of valuation Deferred Income Tax Expense Benefit Increase in cash surrender value of bank owned life insurance Life Insurance Corporate Or Bank Owned Change In Value Changes in assets and liabilities: Increase Decrease In Operating Capital [Abstract] Accrued interest receivable Increase Decrease In Accrued Interest Receivable Net Other assets Increase Decrease In Other Operating Assets Accrued interest payable Increase Decrease In Interest Payable Net Accrued expenses and other liabilities Increase Decrease In Other Accrued Liabilities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities CASH FLOWS FROM INVESTING ACTIVITIES Net Cash Provided By Used In Investing Activities [Abstract] Purchases of securities available-for-sale Payments To Acquire Available For Sale Securities Debt Proceeds from maturities and calls of securities available-for-sale Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Proceeds from paydowns of securities available-for-sale Proceeds From Paydowns Of Securities Available For Sale Proceeds from sales of securities available-for-sale Proceeds From Sale Of Available For Sale Securities Proceeds from paydowns of securities held-to-maturity Proceeds From Paydowns Of Securities Held To Maturity Purchases of Federal Home Loan Bank stock Payments To Acquire Federal Home Loan Bank Stock Federal Home Loan Bank stock repurchases Proceeds From Sale Of Federal Home Loan Bank Stock Net change in loans and leases Payments For Proceeds From Loans And Leases Purchases of premises and equipment Payments To Acquire Property Plant And Equipment Proceeds from sales of assets held for sale Proceeds From Sale Of Property Held For Sale Proceeds from sales of other real estate owned Proceeds From Sale Of Other Real Estate Net cash received in acquisition of business Payments For Proceeds From Cash Acquired From Acquisition Of Business Net cash used in investing activities Net Cash Provided By Used In Investing Activities Change in fair value of securities available for sale net of tax Change in fair value of cash flow hedge net of tax Delayed payments of mortgage-backed securities. Reclassification of equity and other securities. Internally financed sale of other real estate owned noncash. Transfers of land and premises to assets held for sale. Transfers of assets held for sale to premises and equipment. Transfers of premises and equipment to other assets. Transfers of other assets to assets held for sale. Noncash investing activities due from counterparties. Amount due to broker non-cash. CASH FLOWS FROM FINANCING ACTIVITIES Net Cash Provided By Used In Financing Activities [Abstract] Net increase in deposits Increase Decrease In Deposits Proceeds from Federal Home Loan Bank advances Proceeds From Federal Home Loan Bank Advances Repayments of Federal Home Loan Bank advances Payments For Federal Home Loan Bank Advances Proceeds from line of credit Proceeds From Lines Of Credit Repayments of line of credit Repayments Of Lines Of Credit Net decrease in securities sold under agreements to repurchase Proceeds From Payments For In Securities Sold Under Agreements To Repurchase Dividends paid on preferred stock Payments Of Dividends Preferred Stock And Preference Stock Proceeds from issuance of common stock upon exercise of stock options Proceeds From Stock Options Exercised Proceeds from issuance of common stock Proceeds From Issuance Of Common Stock Net cash provided by financing activities Net Cash Provided By Used In Financing Activities NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CASH AND CASH EQUIVALENTS, beginning of period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CASH AND CASH EQUIVALENTS, end of period SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Supplemental Cash Flow Information [Abstract] Cash paid during the period for interest Interest Paid Net Cash payments during the period for taxes Income Taxes Paid Net SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES: Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Change in fair value of available-for-sale securities, net of tax Change In Fair Value Of Securities Available For Sale Net Of Tax Change in fair value of cash flow hedges, net of tax Change In Fair Value Of Cash Flow Hedge Net Of Tax Delayed payments of mortgage-backed securities Delayed Payments Of Mortgage Backed Securities Transfer of securities from held-to-maturity to available-for-sale Transfer Of Portfolio Loans And Leases To Held For Sale1 Reclassification of equity and other securities Reclassification Of Equity And Other Securities Transfers of loans to other real estate owned Transfer To Other Real Estate Internally financed sale of other real estate owned Internally Financed Sale Of Other Real Estate Owned Noncash Transfers of land and premises to assets held for sale Transfers Of Land And Premises To Assets Held For Sale Transfers of assets held for sale to premises and equipment Transfers Of Assets Held For Sale To Premises And Equipment Transfers of premises and equipment to other assets Transfers Of Premises And Equipment To Other Assets Transfer of other assets to assets held for sale Transfers Of Other Assets To Assets Held For Sale Due from counterparties Noncash Investing Activities Due From Counterparties Due to broker Due To Broker Non Cash Total assets acquired from acquisition Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 Total liabilities assumed from acquisition Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 Common stock and stock options issued due to acquisition of business Stock Issued1 Organization Consolidation And Presentation Of Financial Statements [Abstract] Basis of Presentation Business Description And Basis Of Presentation [Text Block] Accounting Changes And Error Corrections [Abstract] Accounting Pronouncements Recently Adopted or Issued New Accounting Pronouncements And Changes In Accounting Principles [Text Block] Business Combinations [Abstract] Acquisitions Business Combination Disclosure [Text Block] Investments Debt And Equity Securities [Abstract] Securities Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] Receivables [Abstract] Loan and Lease Receivables Loans Notes Trade And Other Receivables Disclosure [Text Block] Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments Allowance For Credit Losses [Text Block] Transfers And Servicing [Abstract] Servicing Assets Transfers And Servicing Of Financial Assets [Text Block] Banking And Thrift [Abstract] Other Real Estate Owned Real Estate Owned [Text Block] Goodwill And Intangible Assets Disclosure [Abstract] Goodwill, Core Deposit Intangible and Other Intangible Assets Goodwill And Intangible Assets Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Deposits [Abstract] Deposits Deposit Liabilities Disclosures [Text Block] Federal Home Loan Banks [Abstract] Federal Home Loan Bank Advances Federal Home Loan Bank Advances Disclosure [Text Block] Debt Disclosure [Abstract] Other Borrowings Other Liabilities Disclosure [Text Block] Junior subordinated debt owed to unconsolidated subsidiary trust. Junior Subordinated Debentures Junior Subordinated Debt Owed To Unconsolidated Subsidiary Trust [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingent Liabilities Commitments And Contingencies Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurement Fair Value Disclosures [Text Block] Derivative Instruments And Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedge Activities Derivative Instruments And Hedging Activities Disclosure [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Share-Based Compensation Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Earnings per Share Earnings Per Share [Text Block] Equity [Abstract] Stockholders' Equity Stockholders Equity Note Disclosure [Text Block] Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract] Consolidated Statements of Changes in Accumulated Other Comprehensive Income (Loss) Comprehensive Income Note [Text Block] Accounting Policies [Abstract] Basis of Presentation Basis Of Accounting Policy Policy [Text Block] Accounting Pronouncements Recently Adopted or Issued New Accounting Pronouncements Policy Policy [Text Block] Impact of Adopting the New Revenue Standard on Consolidated Statements of Operations Schedule Of New Accounting Pronouncements And Changes In Accounting Principles [Text Block] Summary of Fair Values of Assets and Liabilities Assumed as of Acquisition Dates Schedule Of Recognized Identified Assets Acquired And Liabilities Assumed Table [Text Block] Summary of Acquired Non-Impaired Loans as of Acquisition Dates Schedule Of Business Acquisitions By Acquisition [Text Block] Summary of Pro Forma Information for Results of Operations Business Acquisition Pro Forma Information [Text Block] Summary of Amortized Cost and Fair Values of Securities Available-for-sale, Held to Maturity and Equity and Other Securities Summary Investment Holdings [Text Block] Summary of Gross Unrealized Losses and Fair Values, Aggregated by Investment Category and Length of Individual Securities Continuous Unrealized Loss Position Available-for-sale and Held to Maturity Schedule Of Unrealized Loss On Investments Table [Text Block] Summary of Proceeds From Sales of Securities Available-for-sale and Associated Gains and Losses Schedule Of Realized Gain Loss Table [Text Block] Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity Investments Classified By Contractual Maturity Date Table [Text Block] Schedule of Outstanding Loan and Lease Receivables Schedule Of Accounts Notes Loans And Financing Receivable [Text Block] Summary of Minimum Annual Lease Payments for Lease Financing Receivables Schedule Of Financing Receivables Minimum Payments Table [Text Block] Summary of balances for each respective loan and lease category. Summary of Balances for Each Respective Loan and Lease Category Summary Of Balances For Each Respective Loan And Lease Category Table [Text Block] Tabular disclosure of the fair value at acquisition of acquired loans accounted for as debt securities with evidence of deterioration of credit quality. Schedule of Estimated Fair Value of Impaired Loans Acquired at Acquisition Schedule Of Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Schedule of certain loans acquired in transfer not accounted for as debt securities outstanding balance and carrying amount. Summary of Outstanding Balance and Carrying Amount of All Acquired Impaired Loans Schedule Of Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance And Carrying Amount Table [Text Block] Summary of changes in accretable yield for acquired impairment loans. Summary of Changes in Accretable Yield for Acquired Impaired Loans Summary Of Changes In Accretable Yield For Acquired Impairment Loans Table [Text Block] Schedule of unpaid principal balance and carrying value for acquired non-impaired loans and leases. Schedule of Unpaid Principal Balance and Carrying Value for Acquired Non-Impaired Loans and Leases Schedule Of Unpaid Principal Balance And Carrying Value For Acquired Non Impaired Loans And Leases Table [Text Block] Summary of Allowance for Loan and Lease Losses and Corresponding Loan and Lease Balances Allowance For Credit Losses On Financing Receivables Table [Text Block] Summary of recorded investment, unpaid principal balance and related allowance. Summary of Recorded Investment, Unpaid Principal Balance, and Related Allowance for Loans and Leases Considered Impaired Summary Of Recorded Investment Unpaid Principal Balance And Related Allowance Table [Text Block] Summary of average recorded investment and interest income recognized for impaired loans. Summary of Average Recorded Investment and Interest Income Recognized for Loans and Leases Considered Impaired Summary Of Average Recorded Investment And Interest Income Recognized For Impaired Loans Table [Text Block] Summary of Risk Rating Categories of Loans and Leases Considered for Inclusion in Allowance for Loan and Lease Losses Calculation Financing Receivable Credit Quality Indicators Table [Text Block] Summary of Contractual Delinquency Information Past Due Financing Receivables Table [Text Block] Summary of TDR's by Loan Category Troubled Debt Restructurings On Financing Receivables Table [Text Block] Summary of loans modified as troubled debt restructurings. Summary of Loans Modified as Troubled Debt Restructurings Summary Of Loans Modified As Troubled Debt Restructurings Table [Text Block] Activity for Servicing Assets and Related Changes in Fair Value Schedule Of Servicing Assets At Fair Value [Text Block] Summary of unpaid principal balances of loans serviced for others. Unpaid Principal Balances of Loans Serviced for Others Summary Of Unpaid Principal Balances Of Loans Serviced For Others Table [Text Block] Change in Other Real Estate Owned Schedule Of Real Estate Properties Table [Text Block] Summary of Changes in Goodwill, Core Deposit Intangible Assets and Customer Relationship Intangible Assets Schedule Of Finite Lived Intangible Assets Table [Text Block] Estimated Amortization Expense for Core Deposit Intangible, Customer Relationship Intangible and Other Intangible Assets Recognized Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block] Schedule of deposits. Composition of Deposits Schedule Of Deposits Table [Text Block] Summary of FHLB Advances Federal Home Loan Bank Advances Table [Text Block] Summary of Other Borrowings Schedule Of Debt Table [Text Block] Summary of Short-term Credit Lines Available for Use Schedule Of Short Term Debt [Text Block] Schedule junior subordinated debt owed to unconsolidated subsidiary trust. Junior Subordinated Debentures by Issuance Schedule Of Junior Subordinated Debt Owed To Unconsolidated Subsidiary Trust Table [Text Block] Summary of Minimum Annual Rental Commitments for Operating Leases Schedule Of Future Minimum Rental Payments For Operating Leases Table [Text Block] Schedule of contract or notional amount of outstanding loan and lease commitments. Summary of Contract or Notional Amount of Outstanding Loan and Lease Commitments Schedule Of Contract Or Notional Amount Of Outstanding Loan And Lease Commitments Table [Text Block] Summary of Company's Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Summary of Financial Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] Summary of Unobservable Inputs Used in the Fair Value Measurements on Recurring Basis Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Input Reconciliation Table [Text Block] Summary of Company's Assets Measured at Fair Value on a Non-Recurring Basis Fair Value Assets Measured On Nonrecurring Basis [Text Block] Estimated Fair Values of Financial Instruments Fair Value By Balance Sheet Grouping [Text Block] Summary of Derivative Financial Instruments and Classification on Consolidated Statements of Financial Condition Schedule Of Fair Value Hedging Instruments Statements Of Financial Performance And Financial Position Location Table [Text Block] Summary of Net Gains (Losses) Recorded in Accumulated Other Comprehensive Income (Loss) and Consolidated Statements of Operations Relating to Cash Flow Derivative Instruments Schedule Of Cash Flow Hedges Included In Accumulated Other Comprehensive Income Loss Table [Text Block] Schedule of other interest rate derivatives. Summary of Other Interest Rate Derivatives Schedule Of Other Interest Rate Derivatives Table [Text Block] Schedule of interest rate derivatives and offsetting positions. Summary of Company's Interest Rate Derivative and Offsetting Positions Schedule Of Interest Rate Derivatives And Offsetting Positions Table [Text Block] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Omnibus plan. Omnibus Plan Omnibus Plan [Member] Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Restricted Shares Restricted Stock [Member] BYB plan. BYB Plan B Y B Plan [Member] First Evanston Bancorp, Inc. stock incentive plan. FEB Plan First Evanston Bancorp Inc Stock Incentive Plan [Member] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Summary of Changes in Restricted Shares Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block] Summary of Stock Compensation Expense Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Summary of Activity in shares Subjected to Options and Weighted Average Exercise Prices Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Schedule of Calculation of Basic and Diluted Earnings per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Summary of Preferred and Common Stock Schedule Of Stock By Class [Text Block] Schedule of Consolidated Statements of Changes in Accumulated Other Comprehensive Income (Loss) Schedule Of Accumulated Other Comprehensive Income Loss Table [Text Block] Number of reportable segments Number Of Reportable Segments New Accounting Pronouncements Or Change In Accounting Principle [Table] New Accounting Pronouncements Or Change In Accounting Principle [Table] ASU 2014-09 Accounting Standards Update201409 [Member] ASU 2017-12 Accounting Standards Update201712 [Member] New Accounting Pronouncements Or Change In Accounting Principle [Line Items] New Accounting Pronouncements Or Change In Accounting Principle [Line Items] Change in ATM and interchange fees New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification Initial Application Period Cumulative Effect Transition Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition Initial Application Period Cumulative Effect Transition [Domain] Balance without Adoption of ASC 606 Calculated Under Revenue Guidance In Effect Before Topic606 [Member] Effect of Change Difference Between Revenue Guidance In Effect Before And After Topic606 [Member] Non-interest income: Non-interest expense: Reclassification from other comprehensive income to retained earnings Reclassification of held to maturity securities to available for sale securities. Reclassification of securities held-to-maturity to securities available-for-sale Reclassification Of Held To Maturity Securities To Available For Sale Securities Business combination, right to receive common stock upon conversion. Business acquisition common stock value per share outstanding. Business acquisition option to acquire common stock shares. Business acquisition option to acquire common stock value. Schedule Of Business Acquisitions By Acquisition [Table] Schedule Of Business Acquisitions By Acquisition [Table] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree Business Acquisition Acquiree [Domain] Oak park river forest bankshares inc. Oak Park River Forest Bankshares, Inc. Oak Park River Forest Bankshares Inc [Member] Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Non-interest expense. Non-interest Expense Non Interest Expense [Member] First Evanston Bancorp, Inc. First Evanston Bancorp, Inc. First Evanston Bancorp Inc [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business acquisition date of agreement Business Acquisition Date Of Acquisition Agreement1 Right to receive common stock upon conversion Business Combination Right To Receive Common Stock Upon Conversion Consideration paid in cash Payments To Acquire Businesses Gross Common stock outstanding value per share Business Acquisition Common Stock Value Per Share Outstanding Common stock issued price per share Business Acquisition Share Price Issuance of common shares Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued Value of common stock consideration Business Acquisition Equity Interest Issued Or Issuable Value Assigned Options to acquire common stock shares Business Acquisition Option To Acquire Common Stock Shares Option to acquire common stock value Business Acquisition Option To Acquire Common Stock Value Total merger consideration Business Combination Consideration Transferred1 Stock issuance costs Payments Of Stock Issuance Costs Acquisition advisory expenses Business Combination Acquisition Related Costs Merger related income from legal fee credit Business Combination Separately Recognized Transactions Revenues And Gains Recognized Core system conversion expenses Business Combination Integration Related Costs Business combination conversion of common stock shares. Options to acquire conversion of common stock shares Business Combination Conversion Of Common Stock Shares Business combination recognized identifiable assets acquired and liabilities assumed current assets restricted stock. Business combination recognized identifiable assets acquired and liabilities assumed other real estate owned. Business combination recognized identifiable assets acquired and liabilities assumed bank owned life insurance. Business combination recognized identifiable assets acquired and liabilities assumed current liabilities deposits. Business combination recognized identifiable assets acquired and liabilities assumed liabilities line of credit. Business combination recognized identifiable assets acquired and liabilities assumed liabilities federal home loan bank advances. Business combination recognized identifiable assets acquired and liabilities assumed noncurrent liabilities accrued expenses and other liabilities. Business combination, conversion of stock, value. Assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets [Abstract] Cash and cash equivalents Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash And Equivalents Securities available-for-sale Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Marketable Securities Restricted stock Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Restricted Stock Loans Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Receivables Premises and equipment Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment Other real estate owned Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Real Estate Owned Other intangible assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill Bank-owned life insurance Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Bank Owned Life Insurance Deferred tax assets, net Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Assets Other assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Noncurrent Assets Total assets acquired Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets Liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities [Abstract] Deposits Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Deposits Line of credit Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities Line Of Credit Federal Home Loan Bank advances Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities Federal Home Loan Bank Advances Junior subordinated debentures Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noncurrent Liabilities Long Term Debt Accrued expenses and other liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noncurrent Liabilities Accrued Expenses And Other Liabilities Total liabilities assumed Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities Net assets acquired Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net Consideration paid Business Combination Consideration Transferred [Abstract] Common stock (2019 - 1,464,558 shares issued at $20.02 per share, 2018 - 6,682,850 shares issued at $21.62 per share) Business Combination Consideration Transferred Equity Interests Issued And Issuable Outstanding stock options converted to Byline stock options Business Combination Conversion Of Stock Value Total consideration paid Stock issued (in shares) Stock issued (in dollars per share) Business combination estimate of contractual cash flows expected to be collected. Fair value Business Combination Acquired Receivables Fair Value Gross contractual amounts receivable Business Combination Acquired Receivables Gross Contractual Amount Estimate of contractual cash flows not expected to be collected Business Combination Acquired Receivables Estimated Uncollectible Estimate of contractual cash flows expected to be collected Business Combination Estimate Of Contractual Cash Flows Expected To Be Collected Total revenues (net interest income and non-interest income) Business Acquisitions Pro Forma Revenue Net income Business Acquisitions Pro Forma Net Income Loss Earnings per share—basic Business Acquisition Pro Forma Earnings Per Share Basic Earnings per share—diluted Business Acquisition Pro Forma Earnings Per Share Diluted Schedule Of Available For Sale Securities [Table] Schedule Of Available For Sale Securities [Table] Financial Instrument Financial Instrument [Axis] Financial Instruments Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] U.S. Treasury Notes U S Treasury Securities [Member] U.S. Government Agencies U S Government Agencies Debt Securities [Member] Obligations of States, Municipalities, and Political Subdivisions U S States And Political Subdivisions [Member] Agency residential mortgage backed securities. Agency, Residential Mortgage-Backed Securities Agency Residential Mortgage Backed Securities [Member] Non-agency residential mortgage backed securities. Non-Agency, Residential Mortgage-Backed Securities Non Agency Residential Mortgage Backed Securities [Member] Agency commercial mortgage backed securities. Agency, Commercial Mortgage-Backed Securities Agency Commercial Mortgage Backed Securities [Member] Non-agency commercial mortgage backed securities. Non-Agency, Commercial Mortgage-Backed Securities Non Agency Commercial Mortgage Backed Securities [Member] Corporate Securities Corporate Debt Securities [Member] Other Securities Other Debt Securities [Member] Schedule Of Available For Sale Securities [Line Items] Schedule Of Available For Sale Securities [Line Items] Available-for-sale Securities, Amortized Cost Available For Sale Debt Securities Amortized Cost Basis Available-for-sale Securities, Gross Unrealized Gains Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax Available-for-sale Securities, Gross Unrealized Losses Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax Available-for-sale Securities, Fair Value Schedule Of Held To Maturity Securities [Table] Schedule Of Held To Maturity Securities [Table] Schedule Of Held To Maturity Securities [Line Items] Schedule Of Held To Maturity Securities [Line Items] Held-to-maturity Securities, Amortized Cost Held-to-maturity Securities, Gross Unrealized Gains Held To Maturity Securities Accumulated Unrecognized Holding Gain Held-to-maturity Securities, Gross Unrealized Losses Held To Maturity Securities Accumulated Unrecognized Holding Loss Held-to-maturity Securities, Fair Value Schedule Of Investments [Table] Schedule Of Investments [Table] Debt Security Category Information By Category Of Debt Security [Axis] Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments Other Than Temporary Impairment Credit Losses Recognized In Earnings Categories Of Investments [Domain] Available-for-sale Securities Availableforsale Securities [Member] Held-to-maturity Securities Heldtomaturity Securities [Member] Investment Type Investment Type [Axis] Investments Investment Type Categorization [Member] Public fund deposits. Public Fund Deposits Public Fund Deposits [Member] Customer Repurchase Agreements Repurchase Agreements [Member] Long-term Debt, Type Longterm Debt Type [Axis] Long-term Debt, Type Longterm Debt Type [Domain] Federal Home Loan Bank Advances Federal Home Loan Bank Advances [Member] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Minimum Minimum [Member] Maximum [Member] Maximum [Member] Schedule Of Investments [Line Items] Schedule Of Investments [Line Items] Trading securities Trading Securities Reclassification of securities held-to-maturity to securities available-for-sale Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Securities Debt Securities Available For Sale Unrealized Loss Position Number Of Positions Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss Available-for-sale Securities, Continuous Unrealized Loss Position, Total Fair Value Debt Securities Available For Sale Unrealized Loss Position Available-for-sale Securities, Continuous Unrealized Loss Position, Total Unrealized Losses Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss Held to maturity securities in unrealized loss positions qualitative disclosure number of securities. Held-to-maturity Securities, Continuous Unrealized Loss Position, Number of Securities Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Securities Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss Held-to-maturity Securities, Continuous Unrealized Loss Position, Total Fair Value Held To Maturity Securities Continuous Unrealized Loss Position Fair Value Held-to-maturity Securities, Continuous Unrealized Loss Position, Total Unrealized Losses Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss Number of investment securities with unrealized losses. Investment securities with unrealized losses Number Of Investment Securities With Unrealized Losses Available For Sale Securities Gross Realized Gain Loss [Abstract] Proceeds Proceeds From Sale Of Available For Sale Securities Debt Gross gains Debt Securities Available For Sale Realized Gain Gross losses Debt Securities Available For Sale Realized Loss Net gains or (losses) reclassified from accumulated other comprehensive income (loss) into earnings Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Sale Of Securities Net Of Tax Investment securities pledged carrying amount. Percentage of shareholders equity for which securities holdings exceeds for no issuer other than U.S. Government and agencies. Carrying amount of securities pledged as collateral Investment Securities Pledged Carrying Amount Percentage of shareholders equity for which securities holdings exceeds for no issuer other than U.S. Government and agencies Percentage Of Shareholders Equity For Which Securities Holdings Exceeds For No Issuer Other Than U S Government And Agencies Equity and other securities maturities amortized cost. Equity and other securities maturities after ten years amortized cost. Equity and other securities maturities without single maturity date amortized cost. Equity and other securities at amortized cost. Equity and other securities maturities after ten years fair value. Equity and other securities maturities without single maturity date fair value. Mortgage-Backed Securities Mortgage Backed Securities [Member] Equity and Other Securities, Amortized Cost [Abstract] Equity And Other Securities Maturities Amortized Cost [Abstract] Equity and Other Securities, Due after ten years, Amortized Cost Equity And Other Securities Maturities After Ten Years Amortized Cost Equity and Other Securities, Not due at single maturity, Amortized Cost Equity And Other Securities Maturities Without Single Maturity Date Amortized Cost Equity and Other Securities, Amortized Cost Equity And Other Securities At Amortized Cost Available-for-sale Securities Debt Maturities, Amortized Cost [Abstract] Available For Sale Securities Debt Maturities Amortized Cost [Abstract] Available-for-sale Securities, Due in one year or less, Amortized Cost Available For Sale Securities Debt Maturities Within One Year Amortized Cost Available-for-sale Securities, Due from one to five years, Amortized Cost Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost Available-for-sale Securities, Due from five to ten years, Amortized Cost Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost Available-for-sale Securities, Due after ten years, Amortized Cost Available For Sale Securities Debt Maturities After Ten Years Amortized Cost Available-for-sale Securities, Not due at single maturity, Amortized Cost Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost Held-to-maturity Securities Debt Maturities, Amortized Cost [Abstract] Held To Maturity Securities Debt Maturities Net Carrying Amount [Abstract] Held-to-maturity Securities, Due from one to five years, Amortized Cost Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount Held-to-maturity Securities, Due from five to ten years, Amortized Cost Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount Equity and other securities maturities fair value. Equity and Other Securities, Fair Value [Abstract] Equity And Other Securities Maturities Fair Value [Abstract] Equity and Other Securities, Due after ten years, Fair Value Equity And Other Securities Maturities After Ten Years Fair Value Equity and Other Securities, Not due at single maturity, Fair Value Equity And Other Securities Maturities Without Single Maturity Date Fair Value Equity and Other Securities, Fair Value Available-for-sale Securities Debt Maturities, Fair Value [Abstract] Available For Sale Securities Debt Maturities Fair Value [Abstract] Available-for-sale Securities, Due in one year or less, Fair Value Available For Sale Securities Debt Maturities Within One Year Fair Value Available-for-sale Securities, Due from one to five years, Fair Value Available For Sale Securities Debt Maturities After One Through Five Years Fair Value Available-for-sale Securities, Due from five to ten years, Fair Value Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value Available-for-sale Securities, Due after ten years, Fair Value Available For Sale Securities Debt Maturities After Ten Years Fair Value Available-for-sale Securities, Not due at single maturity, Fair Value Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value Available-for-sale Securities, Fair Value, Total Held-to-maturity Securities Debt Maturities, Fair Value [Abstract] Held To Maturity Securities Debt Maturities Fair Value [Abstract] Held-to-maturity Securities, Due from one to five years, Fair Value Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value Held-to-maturity Securities, Due from five to ten years, Fair Value Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value Held-to-maturity securities, Fair Value, Total Capital leases net investment in direct financing leases excluding initial direct costs. Schedule Of Accounts Notes Loans And Financing Receivable [Table] Schedule Of Accounts Notes Loans And Financing Receivable [Table] Financing Receivable Portfolio Segment Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment Financing Receivable Portfolio Segment [Domain] Commercial Real Estate Commercial Real Estate Portfolio Segment [Member] Residential Real Estate Residential Portfolio Segment [Member] Construction, land development, and other land portfolio segment. Construction, Land Development, and Other Land Construction Land Development And Other Land Portfolio Segment [Member] Commercial and industrial portfolio segment. Commercial and Industrial Commercial And Industrial Portfolio Segment [Member] Installment and other portfolio segment. Installment and Other Installment And Other Portfolio Segment [Member] Lease Financing Receivables Finance Leases Portfolio Segment [Member] Accounts Notes And Loans Receivable [Line Items] Accounts Notes And Loans Receivable [Line Items] Total loans and leases Loans And Leases Receivable Before Fees Gross Net unamortized deferred fees and costs Loans And Leases Receivable Deferred Income Initial direct costs Capital Leases Net Investment In Direct Financing Leases Initial Direct Costs Lease financing receivables Capital Leases Net Investment In Direct Financing Leases [Abstract] Net minimum lease payments Capital Leases Net Investment In Direct Financing Leases Minimum Payments To Be Received Unguaranteed residual values Capital Leases Net Investment In Direct Financing Leases Unguaranteed Residual Values Of Leased Property Unearned income Capital Leases Net Investment In Direct Financing Leases Deferred Income Total lease financing receivables Capital Leases Net Investment In Direct Financing Leases Excluding Initial Direct Costs Lease financial receivables before allowance for lease losses Capital Leases Net Investment In Direct Financing Leases Loans Insured or Guaranteed by Government Authorities Loans Insured Or Guaranteed By Government Authorities [Axis] Loans Insured or Guaranteed by Government Authorities Loans Insured Or Guaranteed By Government Authorities [Domain] U.S. Government Guaranteed Loans Loans Insured Or Guaranteed By Us Government Authorities [Member] Class of Financing Receivable Financing Receivable Recorded Investment By Class Of Financing Receivable [Axis] Class of Financing Receivable Financing Receivable Recorded Investment Class Of Financing Receivable [Domain] Acquired impaired loans. Acquired Impaired Loans Acquired Impaired Loans [Member] Acquired non-impaired loans and leases. Acquired Non-Impaired Loans and Leases Acquired Non Impaired Loans And Leases [Member] First evanston. First Evanston First Evanston [Member] Overdraft deposits reclassified as loans Deposit Liabilities Reclassified As Loans Receivable1 Loans held for sale pledged as security for borrowings Loans Pledged As Collateral 2019 Capital Leases Future Minimum Payments Receivable Remainder Of Fiscal Year 2020 Capital Leases Future Minimum Payments Receivable In Two Years 2021 Capital Leases Future Minimum Payments Receivable In Three Years 2022 Capital Leases Future Minimum Payments Receivable In Four Years 2023 Capital Leases Future Minimum Payments Receivable In Five Years Thereafter Capital Leases Future Minimum Payments Receivable Due Thereafter Total Capital Leases Future Minimum Payments Receivable Originated loans. Originated Originated Loans [Member] Acquired Impaired Acquired non-impaired loans. Acquired Non-Impaired Acquired Non Impaired Loans [Member] Total loans and leases Loans acquired Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period At Acquisition At Fair Value Amount of cash flows not expected to be collected at acquisition of acquired loans accounted for as debt securities with evidence of deterioration of credit quality. The amount of certain loans acquired in transfer accounted for as debt securities, accretable yield at acquisition. Undiscounted contractual cash flows Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Contractually Required Payments Receivable At Acquisition Undiscounted cash flows not expected to be collected (non-accretable difference) Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Cash Flows Not Expected To Be Collected At Acquisition Undiscounted cash flows expected to be collected Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Cash Flows Expected To Be Collected At Acquisition Accretable yield at acquisition Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Acquisition Estimated fair value of impaired loans acquired at acquisition Allowance for loan and lease losses Outstanding Balance Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance Carrying Value Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net Beginning balance Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions Accretion to interest income Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion Reclassification from nonaccretable difference, net Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference Ending balance Loans and leases receivable unpaid principal balance. Acquired Non-impaired Loans and Leases Unpaid Principal Balance Loans And Leases Receivable Unpaid Principal Balance Financing receivable allowance for credit losses write offs net. Schedule Of Financing Receivable Allowance For Credit Losses [Table] Schedule Of Financing Receivable Allowance For Credit Losses [Table] Credit Loss Status Credit Loss Status [Axis] Credit Loss Status Credit Loss Status [Domain] Loans Acquired with Deteriorated Credit Quality Financial Asset Acquired With Credit Deterioration [Member] Financing Receivable Allowance For Credit Losses [Line Items] Financing Receivable Allowance For Credit Losses [Line Items] Allowance for loan and lease losses Financing Receivable Allowance For Credit Losses Roll Forward Beginning balance Provisions Charge-offs Financing Receivable Allowance For Credit Losses Write Offs Net Recoveries Financing Receivable Allowance For Credit Losses Recovery Ending balance Ending balance: Financing Receivable Allowance For Credit Loss Additional Information [Abstract] Individually evaluated for impairment Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 Collectively evaluated for impairment Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment Loans acquired with deteriorated credit quality Financing Receivable Allowance For Credit Losses Loans and leases ending balance: Loans And Leases Receivable Other Information [Abstract] Individually evaluated for impairment Financing Receivable Individually Evaluated For Impairment Collectively evaluated for impairment Financing Receivable Collectively Evaluated For Impairment Loans acquired with deteriorated credit quality Notes Receivable Net Total loans and leases Loans And Leases Receivable Disclosure [Table] Loans And Leases Receivable Disclosure [Table] Individually evaluated for impairment. Individually Evaluated For Impairment Individually Evaluated For Impairment [Member] Collectively evaluated for impairment. Collectively Evaluated For Impairment Collectively Evaluated For Impairment [Member] Loans And Leases Receivable Disclosure [Line Items] Loans And Leases Receivable Disclosure [Line Items] Increase (decrease) in allowance for loan and lease losses Allowance For Loan And Lease Losses Period Increase Decrease Schedule Of Impaired Financing Receivable [Table] Schedule Of Impaired Financing Receivable [Table] Acquired non-impaired and originated loans. Loans Excluding Acquired Impaired Loans Acquired Non Impaired And Originated Loans [Member] Financing Receivable Impaired [Line Items] Financing Receivable Impaired [Line Items] Recorded Investment, With no related allowance recorded Impaired Financing Receivable With No Related Allowance Recorded Investment Recorded Investment, With an allowance recorded Impaired Financing Receivable With Related Allowance Recorded Investment Recorded Investment Impaired Financing Receivable Recorded Investment Unpaid Principal Balance, With no related allowance recorded Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance Unpaid Principal Balance, With an allowance recorded Impaired Financing Receivable With Related Allowance Unpaid Principal Balance Unpaid Principal Balance Impaired Financing Receivable Unpaid Principal Balance Related Allowance Impaired Financing Receivable Related Allowance Average Recorded Investment, With no related allowance recorded Impaired Financing Receivable With No Related Allowance Average Recorded Investment Average Recorded Investment, With an allowance recorded Impaired Financing Receivable With Related Allowance Average Recorded Investment Average Recorded Investment Impaired Financing Receivable Average Recorded Investment Interest Income Recognized, With no related allowance recorded Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method Interest Income Recognized, With an allowance recorded Impaired Financing Receivable With Related Allowance Interest Income Accrual Method Interest Income Recognized Impaired Financing Receivable Interest Income Accrual Method Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Table] Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Table] Internal Credit Assessment Internal Credit Assessment [Axis] Internal Credit Assessment Internal Credit Assessment [Domain] Pass Pass [Member] Watch. Watch Watch [Member] Special Mention Special Mention [Member] Substandard Substandard [Member] Doubtful Doubtful [Member] Loss Unlikely To Be Collected Financing Receivable [Member] Financing Receivable Recorded Investment [Line Items] Financing Receivable Recorded Investment [Line Items] Schedule Of Financing Receivables Past Due [Table] Schedule Of Financing Receivables Past Due [Table] Acquired Non-Impaired and Originated Loans Financial Asset, Period Past Due Financing Receivables Period Past Due [Axis] Financial Asset, Period Past Due Financing Receivables Period Past Due [Domain] 30-59 Days Past Due Financing Receivables30 To59 Days Past Due [Member] 60-89 Days Past Due Financing Receivables60 To89 Days Past Due [Member] Greater than 90 Days and Accruing Financing Receivables Equal To Greater Than90 Days Past Due [Member] Financing Receivable Recorded Investment Past Due [Line Items] Financing Receivable Recorded Investment Past Due [Line Items] Total Past Due Financing Receivable Recorded Investment Past Due Non-accrual Financing Receivable Recorded Investment Nonaccrual Status Current Financing Receivable Recorded Investment Current Financing receivable modifications specific reserves. Schedule Of Financing Receivable Troubled Debt Restructurings [Table] Schedule Of Financing Receivable Troubled Debt Restructurings [Table] Accruing loans. Accruing Accruing Loans [Member] Non-accruing loans. Non-accruing Non Accruing Loans [Member] Financing Receivable Modifications [Line Items] Financing Receivable Modifications [Line Items] Number of Loans Financing Receivable Modifications Number Of Contracts2 Pre-Modification Outstanding Recorded Investment Financing Receivable Modifications Pre Modification Recorded Investment2 Post-Modification Outstanding Recorded Investment Financing Receivable Modifications Post Modification Recorded Investment2 Charge-offs Financing Receivables Impaired Troubled Debt Restructuring Write Down Specific Reserves Financing Receivable Modifications Specific Reserves Troubled debt restructurings, commitments outstanding. Commitments outstanding on troubled debt restructurings Troubled Debt Restructurings Commitments Outstanding Financing receivable, modifications, accruing additions. Financing receivable, modifications, accruing net payments. Financing receivable modification net transfers from (to) non accrual. Financing receivable, modifications, recorded investment, accruing. Financing receivable, modifications, recorded investment, non-accruing. Financing receivable, modifications, non-accruing additions. Financing receivable, modifications, non-accruing net payments. Financing receivable, modifications, non-accruing charge-offs. Financing receivable modification net transfers from (to) accrual. Beginning balance Financing Receivable Modifications Recorded Investment Accruing Additions Financing Receivable Modifications Accruing Additions Net payments Financing Receivable Modifications Accruing Net Payments Net transfers from (to) non-accrual Financing Receivable Modification Net Transfers From To Non Accrual Ending balance Beginning balance Financing Receivable Modifications Recorded Investment Non Accruing Additions Financing Receivable Modifications Non Accruing Additions Net payments Financing Receivable Modifications Non Accruing Net Payments Charge-offs Financing Receivable Modifications Non Accruing Charge Offs Net transfers from (to) accrual Financing Receivable Modification Net Transfers From To Accrual Ending balance Total troubled debt restructurings Financing Receivable Modifications Recorded Investment Recorded investment in troubled debt restructurings that subsequently defaulted within twelve months Financing Receivable Modifications Subsequent Default Recorded Investment1 Reserve for unfunded commitments. Provisions for (credits to) unfunded commitments. Charge-offs or recoveries related to the reserve for unfunded commitments. Reserve for unfunded commitments Reserve For Unfunded Commitments Provisions for (credits to) unfunded commitments Provisions For Credits To Unfunded Commitments Charge-offs or recoveries related to reserve for unfunded commitments Charge Offs Or Recoveries Related To Reserve For Unfunded Commitments Beginning balance Additions, net Servicing Asset At Fair Value Additions Changes in fair value Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions Ending balance SBA guaranteed loans. SBA guaranteed loans S B A Guaranteed Loans [Member] USDA guaranteed loans. USDA guaranteed loans U S D A Guaranteed Loans [Member] Loan portfolios serviced for: Principal Amount Outstanding Of Loans Held In Portfolio [Abstract] Unpaid principal balances of loans serviced Principal Amount Outstanding Of Loans Held In Portfolio Changes in fair value of servicing assets Acquisition of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure. Proceeds from sales of other real estate. Other real estate owned, beginning balance Other Real Estate And Foreclosed Assets Acquisitions of OREO through business combination Other Real Estate Acquisition Through Business Combination Net additions to OREO Securities Received As Collateral Amount Foreclosed Proceeds from sales of OREO Proceeds From Sales Of Other Real Estate Gains (losses) on sales of OREO Valuation adjustments Other real estate owned, ending balance Real Estate [Table] Real Estate [Table] Collateral Collateral [Axis] Collateral Collateral [Domain] Residential Real Estate Residential Real Estate [Member] Real Estate [Line Items] Real Estate [Line Items] Foreclosed real estate properties recorded as result of obtaining physical possession of property Residential consumer mortgage loans in process of foreclosure Mortgage Loans In Process Of Foreclosure Amount Proceeds from internally financed sale of other real estate. Proceeds from sale of internally financed sales of OREO Proceeds From Internally Financed Sale Of Other Real Estate Schedule of Goodwill and Intangible Assets [Line Items], Schedule Of Goodwill and Intangible Assets [Table] Schedule Of Goodwill And Intangible Assets [Table] Schedule Of Goodwill And Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name Finite Lived Intangible Assets Major Class Name [Domain] Core Deposits Core Deposits [Member] Customer Relationships Customer Relationships [Member] Schedule Of Goodwill And Intangible Assets [Line Items] Schedule Of Goodwill And Intangible Assets [Line Items] Beginning balance, Goodwill Additions Goodwill Acquired During Period Ending balance, Goodwill Beginning balance Intangible Assets Net Excluding Goodwill Additions Finitelived Intangible Assets Acquired1 Amortization Ending balance Accumulated amortization Finite Lived Intangible Assets Accumulated Amortization Weighted average remaining amortization period Finite Lived Intangible Assets Remaining Amortization Period1 2019 Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year 2020 Finite Lived Intangible Assets Amortization Expense Year Two 2021 Finite Lived Intangible Assets Amortization Expense Year Three 2022 Finite Lived Intangible Assets Amortization Expense Year Four 2023 Finite Lived Intangible Assets Amortization Expense Year Five Thereafter Finite Lived Intangible Assets Amortization Expense After Year Five Total Tax cuts and jobs act of 2017 incomplete accounting provisional income tax expense (benefit) related to exercise of stock options. Tax cuts and jobs act of 2017 incomplete accounting provisional income tax expense (benefit) related to vesting of restricted shares. Income Tax. Income Tax. Income Tax [Table] Income Tax [Table] Income Tax [Line Items] Income Tax [Line Items] Effective tax rate Effective Income Tax Rate Continuing Operations Net income tax benefit related to exercise of stock options Tax Cuts And Jobs Act Of2017 Incomplete Accounting Provisional Income Tax Expense Benefit Related To Exercise Of Stock Options Net income tax benefit related to vesting of restricted shares Tax Cuts And Jobs Act Of2017 Incomplete Accounting Provisional Income Tax Expense Benefit Related To Vesting Of Restricted Shares Corporate federal income tax rate Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate Net income tax benefit Tax Cuts And Jobs Act Of2017 Incomplete Accounting Provisional Income Tax Expense Benefit Deferred tax assets, net Deferred Tax Assets Net Decrease in deferred tax assets, net Increase Decrease In Deferred Income Taxes Interest-bearing checking accounts Interest Bearing Domestic Deposit Checking Money market demand accounts Interest Bearing Domestic Deposit Money Market And Demand Accounts Other savings Interest Bearing Domestic Deposit Other Savings Time deposits (below $250,000) Time Deposits Less Than250000 Time deposits ($250,000 and above) Time Deposits250000 Or More Brokered deposits Interest Bearing Domestic Deposit Brokered Federal Home Loan Bank advances Federal Home Loan Bank Advances Weighted average cost Federal Home Loan Bank Advances Weighted Average Interest Rate Fixed interest rate of advances made and reported by Federal Home Loan Bank (FHLBank). Federal home loan bank fixed rate advances maturity date. Federal home loan bank advances floating interest rate. Federal home loan bank floating rate advances maturity date. Ratio applied to the conversion of required investment in Federal Home Loan Bank (FHL Bank) $1 for every $ 20. Federal home loan bank advances maximum borrowing capacity as percentage of total assets. Federal Home Loan Bank Advances [Table] Federal Home Loan Bank Advances [Table] Maximum Federal Home Loan Bank Advances [Line Items] Federal Home Loan Bank Advances [Line Items] Federal home loan bank, total fixed-rate advances Federal Home Loan Bank Advances Fixed Rate Federal home loan bank advances, Fixed interest rate Federal Home Loan Bank Advances Fixed Interest Rate Federal home loan bank fixed rate advances, maturity date Federal Home Loan Bank Fixed Rate Advances Maturity Date Federal home loan bank, total variable rate advances Federal Home Loan Bank Advances Floating Rate Federal home loan bank advances, Variable interest rate Federal Home Loan Bank Advances Floating Interest Rate Federal home loan bank variable rate advances, maturity date Federal Home Loan Bank Floating Rate Advances Maturity Date Federal home loan bank, required investment conversion ratio Required Investment In Federal Home Loan Bank Conversion Ratio Additional borrowing capacity from FHLB Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds Federal home loan bank advances maximum borrowing capacity as percentage of total assets Federal Home Loan Bank Advances Maximum Borrowing Capacity As Percentage Of Assets Total Other Borrowings Line of credit facility extended maturity date. Line of credit facility revolving credit conversion to non revolving credit threshold limit. Threshold amount for conversion of line of credit to revolving line of credit. Line Of Credit Facility [Abstract] Line Of Credit Facility [Table] Line Of Credit Facility [Table] Ridgestone. Ridgestone Ridgestone [Member] Lender Name Line Of Credit Facility [Axis] Line of Credit Facility, Lender Line Of Credit Facility Lender [Domain] Correspondent bank. Correspondent Bank Correspondent Bank [Member] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name Debt Instrument Name [Domain] Credit agreement. Credit agreement Credit Agreement [Member] Amended credit agreement. Amended Credit Agreement Amended Credit Agreement [Member] Fourth amendment revolving credit agreement. Fourth Amendment Revolving Credit Agreement Fourth Amendment Revolving Credit Agreement [Member] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Variable Rate Variable Rate [Axis] Variable Rate Variable Rate [Domain] LIBOR Rate London Interbank Offered Rate L I B O R [Member] Prime Rate Prime Rate [Member] Line Of Credit Facility [Line Items] Line Of Credit Facility [Line Items] Line of credit facility, amount Line of credit facility, revolving credit conversion to non-revolving line of credit, description Line Of Credit Facility Revolving Credit Conversion To Term Loan Description Line of credit facility, revolving credit conversion to non-revolving line of credit, threshold amount Line Of Credit Facility Revolving Credit Conversion To Non Revolving Credit Threshold Limit Threshold amount for conversion of line of credit into revolving line of credit Threshold Amount For Conversion Of Line Of Credit To Revolving Line Of Credit Revolving line of credit facility, maximum borrowing capacity Line Of Credit Facility Maximum Borrowing Capacity Repayment of lines of credit Line of credit facility, maturity date Line Of Credit Facility Expiration Date1 Interest rate spread Debt Instrument Basis Spread On Variable Rate1 Line of credit facility, extended maturity date Line Of Credit Facility Extended Maturity Date Line of credit facility, interest rate terms Line Of Credit Facility Interest Rate Description Short-term credit lines available for use, outstanding Lines Of Credit Current Short-term line of credit available for use. Debt Instrument [Table] Debt Instrument [Table] Federal reserve bank of Chicago discount window line. Federal Reserve Bank of Chicago Discount Window Line Federal Reserve Bank Of Chicago Discount Window Line [Member] Available federal funds line. Available Federal Funds Line Available Federal Funds Line [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Short-term credit lines available for use Short Term Lines Of Credit Available For Use Junior subordinated debenture owed to unconsolidated subsidiary trust, including unamortized discount. Schedule Of Shares Subject To Mandatory Redemption [Table] Schedule Of Shares Subject To Mandatory Redemption [Table] Junior Subordinated Debentures Junior Subordinated Debt [Member] Metropolitan statutory trust one. Metropolitan Statutory Trust 1 Metropolitan Statutory Trust One [Member] RidgeStone capital trust I. RidgeStone Capital Trust I Ridge Stone Capital Trust I [Member] First Evanston Bancorp Trust I. First Evanston Bancorp Trust I First Evanston Bancorp Trust One [Member] Three-month LIBOR. Three-month LIBOR Three Month London Interbank Offered Rate [Member] Five-year LIBOR. Five-year LIBOR Five Year London Interbank Offered Rate [Member] Shares Subject To Mandatory Redemption By Settlement Terms [Line Items] Shares Subject To Mandatory Redemption By Settlement Terms [Line Items] Total liability, at par Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust Including Unamortized Discount Discount Debt Instrument Unamortized Discount Total liability, at carrying value Stated Maturity Debt Instrument Maturity Date Contractual Rate Debt Instrument Interest Rate Effective Percentage Interest Rate Spread, Description Debt Instrument Description Of Variable Rate Basis Interest Rate Spread Principal amount Contractual rate 2019 Operating Leases Future Minimum Payments Remainder Of Fiscal Year 2020 Operating Leases Future Minimum Payments Due In Two Years 2021 Operating Leases Future Minimum Payments Due In Three Years 2022 Operating Leases Future Minimum Payments Due In Four Years 2023 Operating Leases Future Minimum Payments Due In Five Years Thereafter Operating Leases Future Minimum Payments Due Thereafter Total Operating Leases Future Minimum Payments Due Sublease contract expiration period. Remaining information technology and data processing. Commitments and contingencies liabilities. Commitments and contingencies liabilities. Commitments And Contingencies Liabilities [Table] Commitments And Contingencies Liabilities [Table] Restructuring Type Restructuring Cost And Reserve [Axis] Type of Restructuring Type Of Restructuring [Domain] Contract termination Contract Termination [Member] Commitments And Contingencies Liabilities [Line Items] Commitments And Contingencies Liabilities [Line Items] Rental expenses Lease And Rental Expense Sublease income Sublease Income Minimum rental to be received in future on subleases Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Sublease contract maturity year Sublease Contract Expiration Period Remaining data processing cost balance Remaining Information Technology And Data Processing Loans and leases receivable commitments fixed and variable rates. Credit Facility Credit Facility [Axis] Credit Facility Credit Facility [Domain] Letters of Credit Letter Of Credit [Member] Commitments to Extend Credit Commitments To Extend Credit [Member] Fixed Rate Loans And Leases Receivable Commitments Fixed Rates Variable Rate Loans And Leases Receivable Commitments Variable Rates Total Loans And Leases Receivable Commitments Fixed And Variable Rates Fixed rate loan commitment period. Loan commitments bearing fixed interest rate, percentage. Fixed rate loan commitments maturities ending year. Loan commitments bearing variable interest rate, percentage. Variable rate loan commitments maturities ending year. Commitments to make loans period Fixed Rate Loan Commitment Period Loan commitments fixed interest rate Loan Commitments Percentage Bearing Fixed Interest Rate Fixed rate loan commitments maturity year Fixed Rate Loan Commitments Maturities Ending Year Loan commitments variable interest rate Loan Commitments Percentage Bearing Variable Interest Rate Variable rate loan commitments maturity year Variable Rate Loan Commitments Maturities Ending Year Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Abstract] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Measurement Frequency Fair Value By Measurement Frequency [Axis] Measurement Frequency Fair Value Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value Measurements Recurring [Member] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Level 1 Fair Value Inputs Level1 [Member] Level 2 Fair Value Inputs Level2 [Member] Level 3 Fair Value Inputs Level3 [Member] Mortgage-Backed Securities; Residential Residential Mortgage Backed Securities [Member] Mortgage-Backed Securities; Commercial Commercial Mortgage Backed Securities [Member] Underlying Asset Class Underlying Asset Class [Axis] Underlying Asset Class Underlying Asset Class [Domain] Agency Agency Securities [Member] Non-Agency Securities. Non-Agency Non Agency Securities [Member] Mutual Funds Mutual Fund [Member] Equity Securities Equity Securities [Member] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Derivative assets Derivative Assets Derivative liabilities Derivative Liabilities Fair value assets to or from level three transfers amount. Fair value liabilities to or from level three transfers amount. Fair value equity to or from level three transfers amount. Fair value, assets, to or from level 3 transfers, amount Fair Value Assets To Or From Level Three Transfers Amount Fair value, liabilities, to or from level 3 transfers, amount Fair Value Liabilities To Or From Level Three Transfers Amount Fair value, equity, to or from level 3 transfers, amount Fair Value Equity To Or From Level Three Transfers Amount Fair value measurement with unobservable inputs reconciliation recurring basis asset acquired at fair value. Fair value, measurement with unobservable inputs reconciliation, recurring basis, asset, amortization. Fair value measurement with unobservable inputs reconciliation recurring basis asset change in unrealized gain loss. Asset Class Fair Value By Asset Class [Axis] Asset Class Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Investment Securities Investments [Member] Servicing assets. Servicing Assets Servicing Assets [Member] Balance, beginning of period Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value Acquired assets at fair value Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Acquired At Fair Value Additions, net Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Amortization Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Amortization Change in unrealized gain Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Change In Unrealized Gain Loss Change in fair value Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 Balance, end of period Fair value measurement change in valuation of input value description. Single issuer trust preferred security. Single Issuer Trust Preferred Single Issuer Trust Preferred Security [Member] Weighted Average Weighted Average [Member] Measurement Input Type Measurement Input Type [Axis] Measurement Input Type Measurement Input Type [Domain] Prepayment Speeds Measurement Input Prepayment Rate [Member] Discount Rate Measurement Input Discount Rate [Member] Impact to Valuation from an Increased or Higher Input Value Fair Value Measurement Change In Valuation Of Input Value Description Fair value input expected weighted average loan life weighted average range assumptions expected term. Unobservable Inputs Debt Securities Available For Sale Measurement Input Debt Securities, Available-for-sale, Valuation Technique [Extensible List] Debt Securities Available For Sale Valuation Technique Extensible List Debt Securities, Available-for-sale, Measurement Input [Extensible List] Debt Securities Available For Sale Measurement Input Extensible List Unobservable Inputs Debt Instrument Measurement Input Debt Instrument, Valuation Technique [Extensible List] Debt Instrument Valuation Technique Extensible List Debt Instrument, Measurement Input [Extensible List] Debt Instrument Measurement Input Extensible List Unobservable Inputs Servicing Asset Measurement Input Servicing Asset, Valuation Technique [Extensible List] Servicing Asset Valuation Technique Extensible List Expected weighted average loan life Fair Value Input Expected Weighted Average Loan Life Weighted Average Range Assumptions Expected Term Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Level 1 Disposal Group Classification Disposal Group Classification [Axis] Disposal Group Classification Disposal Group Classification [Domain] Assets Held For Sale Disposal Group Heldforsale Not Discontinued Operations [Member] Other real estate owned portfolio segment. Other Real Estate Owned Other Real Estate Owned Portfolio Segment [Member] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Assets, Fair Value Assets Fair Value Disclosure Fair Value By Balance Sheet Grouping [Table] Fair Value By Balance Sheet Grouping [Table] Estimated Fair Value Fair Value By Measurement Basis [Axis] Fair Value Disclosure Item Amounts [Default] Portion At Fair Value Fair Value Disclosure [Member] Fair Value Measurement Fair Value Disclosure Item Amounts [Domain] Carrying Amount Carrying Reported Amount Fair Value Disclosure [Member] Estimated Fair Value Estimate Of Fair Value Fair Value Disclosure [Member] Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] Financial assets Financial Instruments Financial Assets Balance Sheet Groupings [Abstract] Loans and lease receivables, net (less impaired loans at fair value) Financial liabilities Financial Instruments Financial Liabilities Balance Sheet Groupings [Abstract] Non-interest-bearing deposits Noninterest Bearing Deposit Liabilities Domestic Interest-bearing deposits Interest Bearing Deposit Liabilities Domestic Accrued interest payable Accrued Liabilities Fair Value Disclosure Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Hedging Designation Hedging Designation [Axis] Hedging Designation Hedging Designation [Domain] Derivatives Designated as Hedging Instruments Designated As Hedging Instrument [Member] Derivatives Not Designated As Hedging Instruments Nondesignated [Member] Derivative Instrument Derivative Instrument Risk [Axis] Derivative Contract Derivative Contract Type [Domain] Interest Rate Swaps Interest Rate Swap [Member] Other interest rate derivatives. Other Interest Rate Derivatives Other Interest Rate Derivatives [Member] Hedging Relationship Derivative Instruments Gain Loss By Hedging Relationship [Axis] Hedging Relationship Hedging Relationship [Domain] Cash Flow Hedges Cash Flow Hedging [Member] Credit Derivatives Contract Type Credit Derivatives By Contract Type [Axis] Credit Derivatives Contract Type Credit Derivatives Contract Type [Domain] Other Credit Derivatives Other Credit Derivatives [Member] Derivatives Fair Value [Line Items] Derivatives Fair Value [Line Items] Notional Amount Derivative Notional Amount Other Assets Derivative Fair Value Of Derivative Asset Other Liabilities Derivative Fair Value Of Derivative Liability Termination of designated as cash flow hedges to reduce interest risk. Cash flow hedge gain loss after transaction net of tax. Derivative [Table] Derivative [Table] Short-term Debt, Type Short Term Debt Type [Axis] Short-term Debt, Type Short Term Debt Type [Domain] Interest Expense Interest Expense [Member] Derivative [Line Items] Derivative [Line Items] Derivative notional amount Termination of designated as cash flow hedges to reduce interest risk Termination Of Designated As Cash Flow Hedges To Reduce Interest Risk Transaction, net of tax Cash Flow Hedge Gain Loss After Transaction Net Of Tax Remaining balance in accumulated other comprehensive income Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax Increase (decrease) in federal home loan bank expense. Decrease in FHLB expense Increase Decrease In Federal Home Loan Bank Expense Unrealized gain (loss) to be reclassified as an decrease to interest expense during the next twelve months Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net Amount of gain (loss) recognized in other non-interest income ineffective portion. Amount of Gain (Loss) Recognized in OCI Amount of Gain Reclassified from OCI to Income as a Decrease to Interest Expense Derivative Instruments Gain Loss Reclassified From Accumulated O C I Into Income Effective Portion Net Amount of Gain (Loss) Recognized in Other Non-Interest Income Amount Of Gain Loss Recognized In Other Non Interest Income Ineffective Portion Derivative maturity date start year. Derivative maturity dates end year. Derivative instruments transaction fees. Derivative maturity date, start year Derivative Maturity Date Start Year Derivative maturity date, end year Derivative Maturity Dates End Year Derivative instruments transaction fees Derivative Instruments Transaction Fees Derivative weighted average pay rate. Derivative weighted average receive rate. Derivative assets fair value Derivative liabilities fair value Weighted average pay rates Derivative Weighted Average Pay Rate Weighted average receive rates Derivative Weighted Average Receive Rate Weighted average maturity Derivative Average Remaining Maturity1 Derivative instruments changes in credit valuation adjustment recognized in non interest income. Credit valuation adjustment increase (decrease) to non-interest income Derivative Instruments Changes In Credit Valuation Adjustment Recognized In Non Interest Income Derivative liability fair value offset against collateral net credit exposure of not subject to master netting arrangement policy election. Gross amounts recognized Less: Amounts offset in the Consolidated Statements of Financial Condition Derivative Asset Fair Value Gross Liability Net amount presented in the Consolidated Statements of Financial Condition Gross amounts not offset in the Consolidated Statements of Financial Condition Derivative Asset Fair Value Net [Abstract] Offsetting derivative positions Derivative Asset Not Subject To Master Netting Arrangement Deduction Collateral posted Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral Net credit exposure Derivative Asset Fair Value Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election Gross amounts recognized Less: Amounts offset in the Consolidated Statements of Financial Condition Derivative Liability Fair Value Gross Asset Net amount presented in the Consolidated Statements of Financial Condition Gross amounts not offset in the Consolidated Statements of Financial Condition Derivative Liability Fair Value Net [Abstract] Offsetting derivative positions Derivative Liability Not Subject To Master Netting Arrangement Deduction Collateral posted Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral Net credit exposure Derivative Liability Fair Value Offset Against Collateral Net Credit Exposure Of Not Subject To Master Netting Arrangement Policy Election Share based compensation arrangement by share based payment award number of common stock reserved and available for issuance. Vesting Vesting [Axis] Vesting Vesting [Domain] Each anniversary date of grant vest over four years. Each Anniversary of Grant Date Over Four Years Each Anniversary Date Of Grant Vest Over Four Years [Member] Each anniversary date of grant vest over three years. Each Anniversary of Grant Date Vest Over Three Years Each Anniversary Date Of Grant Vest Over Three Years [Member] First anniversary date of grant. First Anniversary of Grant Date First Anniversary Date Of Grant [Member] Performance based restricted shares. Performance-based Restricted Shares Performance Based Restricted Shares [Member] Threshold performance Share Based Compensation Award Tranche One [Member] 50th Percentile Performance Share Based Compensation Award Tranche Two [Member] 75th Percentile Performance Share Based Compensation Award Tranche Three [Member] MBG plan. MBG Plan M B G Plan [Member] Time options grants. Time Options Grants Time Options Grants [Member] Performance options grants. Performance Options Grants Performance Options Grants [Member] Number of common stock reserved and available for issuance Share Based Compensation Arrangement By Share Based Payment Award Number Of Common Stock Reserved And Available For Issuance Number of common shares available for future grants Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Award vesting period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Share based compensation arrangement by share based payment award equity instruments other than options expected to vest grants in period. Shares of restricted voting common stock granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Shares vest on grant date Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Grants In Period Share based compensation arrangement by share based payment award earned under return on average assets in period. Share based compensation arrangement by share based payment award minimum target percentage of performance shares of assets on peer group. Share based compensation arrangement by share based payment award maximum target percentage of performance shares of assets on peer group. Share based compensation arrangement by share based payment award percentage of target number of shares to be earned. Period for number of shares earned under return on average assets Share Based Compensation Arrangement By Share Based Payment Award Earned Under Return On Average Assets In Period Minimum target percentage in assets of peer group consisting publicly-traded bank holding companies Share Based Compensation Arrangement By Share Based Payment Award Minimum Target Percentage Of Performance Shares Of Assets On Peer Group Maximum target percentage in assets of peer group consisting publicly-traded bank holding companies Share Based Compensation Arrangement By Share Based Payment Award Maximum Target Percentage Of Performance Shares Of Assets On Peer Group Percentage of target number of shares to be earned Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Target Number Of Shares To Be Earned Share based compensation arrangement by share based payment award shares vested number of shares. Shares vested Share Based Compensation Arrangement By Share Based Payment Award Shares Vested Number Of Shares Number of shares, beginning balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Number of shares, granted Number of shares, vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Number of shares, forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Number of shares, ending balance Weighted average grant date fair value, beginning balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Weighted average grant date fair value, granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Weighted average grant date fair value, vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value Weighted average grant date fair value, forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value Weighted average grant date fair value, ending balance Restricted shares vested Fair value of restricted shares, vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value Allocated share based compensation expense (benefit). Employee service share based compensation tax benefit expense from compensation expense. Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Total share-based compensation - restricted stock Allocated Share Based Compensation Expense Total share-based compensation (benefit) - stock options Allocated Share Based Compensation Expense Benefit Income tax benefit Employee Service Share Based Compensation Tax Benefit From Compensation Expense Income tax benefit (expense) Employee Service Share Based Compensation Tax Benefit Expense From Compensation Expense Unrecognized compensation expense Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Weighted-average amortization period remaining Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Fair value of unvested restricted stock awards. Fair value of unvested restricted stock awards Fair Value Of Unvested Restricted Stock Awards Number of options granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Number of options exercised Number of shares outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Award contractual term Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Options vested Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares Number of Shares, Beginning balance Number of Shares, Exercised Number of Shares, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Number of Shares, Ending balance Number of Shares, Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Weighted Average Exercise Price, Beginning balance Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted Average Exercise Price, Exercised Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted Average Exercise Price, Forfeited Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Weighted Average Exercise Price, Ending balance Weighted Average Exercise Price, Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Intrinsic Value, Beginning balance Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Intrinsic Value, Exercised Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value Intrinsic Value, Ending balance Intrinsic Value, Exercisable Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Weighted Average Remaining Contractual Term (in Years) Weighted Average Remaining Contractual Term (in Years), Exercisable Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 Proceeds from the exercise of stock options Conversion calculation percentage. Conversion calculation percentage Conversion Calculation Percentage Number of Shares, Granted Number of Shares, Expired Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price, Granted Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Weighted Average Exercise Price, Expired Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price Share based compensation arrangement by share based payment award options grants in period intrinsic value. Intrinsic Value, Granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Intrinsic Value Business combination conversion of outstanding options. Consideration paid in cash Business combination conversion of outstanding options Business Combination Conversion Of Outstanding Options Schedule Of Earnings Per Share Basic By Common Class [Table] Schedule Of Earnings Per Share Basic By Common Class [Table] Stock Options Employee Stock Option [Member] Restricted Stock Award Earnings Per Share Basic [Line Items] Earnings Per Share Basic [Line Items] Shares outstanding Weighted Average Number Of Shares Outstanding Basic Net income available to common stockholders Weighted-average common stock outstanding: Weighted Average Number Of Shares Outstanding [Abstract] Weighted-average common stock outstanding (basic) Incremental shares Incremental Common Shares Attributable To Share Based Payment Arrangements Weighted-average common stock outstanding (dilutive) Weighted Average Number Of Diluted Shares Outstanding Basic earnings per common share Diluted earnings per common share Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Class of Stock Statement Class Of Stock [Axis] Class of Stock Class Of Stock [Domain] Series A non-cumulative perpetual preferred stock. Series A Non-cumulative Perpetual Preferred Stock Series A Non Cumulative Perpetual Preferred Stock [Member] Series B seven point five percent fixed to floating non-cumulative perpetual preferred stock. Series B 7.5% Fixed to Floating Non-Cumulative Perpetual Preferred Stock Series B Seven Point Five Percent Fixed To Floating Non Cumulative Perpetual Preferred Stock [Member] Class Of Stock [Line Items] Class Of Stock [Line Items] Subscription receivable Preferred Stock Share Subscriptions Par value Preferred Stock Par Or Stated Value Per Share Shares authorized Preferred Stock Shares Authorized Shares issued Preferred Stock Shares Issued Shares outstanding Preferred Stock Shares Outstanding Preferred stock, dividend rate, percentage Preferred Stock Dividend Rate Percentage Preferred stock fixed dividend close date. Series B Preferred Stock Series B Preferred Stock [Member] Preferred stock, liquidation preference per share Preferred Stock Liquidation Preference Preferred stock fixed dividend close date Preferred Stock Fixed Dividend Close Date Preferred stock redemption price per share Preferred Stock Redemption Price Per Share Dividends declared and paid Stock repurchase program percent of shares authorized to be repurchased. Aggregate number of shares authorized to repurchase Stock Repurchase Program Number Of Shares Authorized To Be Repurchased Approximate percentage of shares authorized to be repurchased Stock Repurchase Program Percent Of Shares Authorized To Be Repurchased Accumulated Other Comprehensive Income Loss [Table] Accumulated Other Comprehensive Income Loss [Table] Unrealized Gains (Losses) on Cash Flow Hedges Accumulated Gain Loss Net Cash Flow Hedge Parent [Member] Unrealized Gains (Losses) on Available-for-Sale Securities Accumulated Net Unrealized Investment Gain Loss [Member] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Income Loss [Line Items] Other comprehensive income (loss), net of tax