Receivables [Abstract] Allowance for Loan and Lease Losses [Roll Forward] Allowance for Loan and Lease Losses [Roll Forward] Balance, beginning of period Loans and Leases Receivable, Allowance Provision for loan and lease loss Provision for Loan and Lease Losses Charged off Allowance for Loan and Lease Losses, Write-offs Transfers to held for sale Allowance for Loan and Leases, Transfer of Portfolio Loans and Leases to Held-for-sale Allowance for Loan and Leases, Transfer of Portfolio Loans and Leases to Held-for-sale Recoveries Allowance for Loan and Lease Loss, Recovery of Bad Debts Balance, end of period Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Domain] Class of Financing Receivable, Type [Domain] Mortgage Residential Mortgage [Member] Other Other Loan [Member] Other Loan [Member] Loan Source [Axis] Loan Source [Axis] Loan Source [Axis] Source of Loan Origination [Domain] Source of Loan Origination [Domain] Source of Loan Origination [Domain] In-house originated In-house Originated Loans [Member] Loans underwritten directly by the Company. Financing Receivable, Modifications [Line Items] Financing Receivable, Modifications [Line Items] Total TDR loans secured by real estate Financing Receivable, Modifications on Loans Secured by Real Estate, Recorded Investment Financing Receivable, Modifications on Loans Secured by Real Estate, Recorded Investment Total loans modified as TDRs Financing Receivable, Modifications, Recorded Investment Banking and Thrift [Abstract] Schedule of Federal Home Loan Bank, Advances, by Maturity Schedule of Federal Home Loan Bank, Advances, by Maturity [Table Text Block] Schedule of Federal Home Loan Bank, Advances, by Maturity [Table Text Block] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Pass Pass [Member] Special Mention Special Mention [Member] Substandard Substandard [Member] Doubtful Doubtful [Member] Home equity Home Equity Loan [Member] Warehouse & Other Warehouse and Other [Member] Warehouse and Other [Member] Multifamily real estate secured Residential Multifamily Loan [Member] Residential Multifamily Loan [Member] Commercial real estate secured Real Estate [Member] Auto and RV secured Automobile Loan [Member] Factoring Factoring [Member] Factoring [Member] Commercial & Industrial Commercial and Industrial [Member] Commercial and Industrial Purchased Purchased Loans [Member] Purchased Loans [Member] Financing Receivable, Recorded Investment [Line Items] Financing Receivable, Recorded Investment [Line Items] Gross loans and leases Loans and Leases Receivable, Gross As of % of gross loans and leases Loans and Leases Receivable, Ratio of Grade Class to Gross Loans Loans and Leases Receivable, Ratio of Grade Class to Gross Loans Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Residential Portfolio Segment Residential Portfolio Segment [Member] Commercial Real Estate Portfolio Segment Commercial Real Estate Portfolio Segment [Member] Consumer Portfolio Segment Consumer Portfolio Segment [Member] Unallocated Financing Receivables Unallocated Financing Receivables [Member] Commercial Portfolio Segment Commercial Portfolio Segment [Member] Single family warehouse loans Warehouse Loans [Member] Warehouse Loans [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Principal loan and lease balance Allowance for loan and lease losses Unaccreted discounts and loan and lease fees Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums Total net loans and leases Loans and Leases Receivable, Net Amount Fair Value Disclosures [Abstract] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Interest income on investments Interest and Dividend Income, Securities, Operating, Trading or Measured at Fair Value Fair value adjustment Trading Securities, Change in Unrealized Holding Gain (Loss) Total Trading Securities, Change in Unrealized Gain and Loss and Interest Income Recorded in Earnings Trading Securities, Change in Unrealized Gain and Loss and Interest Income Recorded in Earnings Performing loans temporarily modified as TDR Financing Receivable, Performing Loans Temporarily Modified as TDR Financing Receivable, Performing Loans Temporarily Modified as TDR Non-performing loans and leases Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest Total impaired loans and leases Impaired Financing Receivable, Recorded Investment Interest income recognized on performing TDRs Financing Receivable, Modifications, Interest Income Recognized, Accruing Loans Financing Receivable, Modifications, Interest Income Recognized, Accruing Loans Average balances of performing TDR's Financing Receivable, Modifications, Average Recorded Investment, Accruing Loans Financing Receivable, Modifications, Average Recorded Investment, Accruing Loans Average balances of impaired loans and leases Financing Receivable, Average Recorded Investment, Nonaccrual Status Financing Receivable, Average Recorded Investment, Nonaccrual Status Quarterly Financial Information Disclosure [Abstract] QUARTERLY FINANCIAL INFORMATION (UNAUDITED) Quarterly Financial Information [Text Block] Origination Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Performing Performing Financial Instruments [Member] Non-performing Nonperforming Financial Instruments [Member] Equity [Abstract] STOCKHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Schedule of Condensed Balance Sheet Condensed Balance Sheet [Table Text Block] Schedule of Condensed Income Statement Condensed Income Statement [Table Text Block] Schedule of Condensed Cash Flow Statement Condensed Cash Flow Statement [Table Text Block] Schedule of Financing Receivables Past Due [Table] Schedule of Financing Receivables Past Due [Table] Financing Receivables, Period Past Due [Axis] Financing Receivables, Period Past Due [Axis] Financing Receivables, Period Past Due [Domain] Financing Receivables, Period Past Due [Domain] 30-59 Days Past Due Financing Receivables, 30 to 59 Days Past Due [Member] 60-89 Days Past Due Financing Receivables, 60 to 89 Days Past Due [Member] 90 Days Past Due Financing Receivables, Equal to Greater than 90 Days Past Due [Member] Financing Receivable, Recorded Investment, Past Due [Line Items] Financing Receivable, Recorded Investment, Past Due [Line Items] Total past due loans Financing Receivable, Recorded Investment, Past Due As a % of gross loans and leases Financing Receivable, Recorded Investment, Past Due as a Percent of Gross Loans Financing Receivable, Recorded Investment, Past Due as a Percent of Gross Loans Schedule of Loans by Class Schedule of Loans by Class [Table Text Block] Schedule of Loans by Class [Table Text Block] Schedule of Credit Losses Related to Financing Receivables, Current and Noncurrent Schedule of Credit Losses Related to Financing Receivables, Current and Noncurrent [Table Text Block] Impaired Financing Receivables Impaired Financing Receivables [Table Text Block] Allowance for Credit Losses on Financing Receivables Allowance for Credit Losses on Financing Receivables [Table Text Block] Schedule of Financing Receivables, Non Accrual Status Schedule of Financing Receivables, Non Accrual Status [Table Text Block] Schedule Of Loans Performing And NonPerforming Schedule Of Loans Performing And NonPerforming [Table Text Block] Schedule Of Loans Performing And NonPerforming [Table Text Block] Troubled Debt Restructurings on Financing Receivables Troubled Debt Restructurings on Financing Receivables [Table Text Block] Financing Receivable Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Past Due Financing Receivables Past Due Financing Receivables [Table Text Block] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Stock Issuance Plan Name [Axis] Stock Issuance Plan Name [Axis] Stock Issuance Plan Name [Axis] Stock Issuance Plan Name [Domain] Stock Issuance Plan Name [Domain] [Domain] for Stock Issuance Plan Name [Axis] ATM Offering At-the-Market Equity Distribution Agreement [Member] At-the-Market Equity Distribution Agreement [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock Common Stock [Member] Class of Stock [Line Items] Class of Stock [Line Items] Weighted Average Per Share Price (in dollars per share) Sale Of Stock, Weighted Average Per Share Price Sale of Stock, Weighted Average Per Share Price Number of shares sold (in shares) Common Stock, Shares, Issued Net Proceeds Proceeds from Issuance of Common Stock Compensation to Distribution Agent Sale of Stock, Compensation to Agent Sale of Stock, Compensation to Agent Common stock split, conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio LOANS, LEASES & ALLOWANCE FOR LOAN AND LEASE LOSSES Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value, Measurements, Recurring [Member] Asset Class [Axis] Asset Class [Axis] Fair Value by Asset Class [Domain] Asset Class [Domain] Trading Securities Trading Securities [Member] Collateralized Debt Obligations Collateralized Debt Obligations [Member] Non-Agency RMBS Non-Agency, Residential Mortgage Backed Securities [Member] Non-Agency, Residential Mortgage Backed Securities [Member] Mortgage Servicing Rights Mortgage Servicing Rights [Member] Mortgage Servicing Rights [Member] Derivative Instruments, net Derivative Financial Instruments, Assets [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Sale of Mortgage-backed Securities Sale Of Mortgage-backed Securities [Member] Sale Of Mortgage-backed Securities [Member] Fair Value Gain (Loss) On Trading Securities Fair Value Gain On Trading Securities [Member] Fair Value Gain On Trading Securities [Member] Mortgage Banking Income Mortgage Banking [Member] Mortgage Banking [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Opening balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Total gains or losses for the period - Included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Total gains or losses for the period - Included in other comprehensive income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, Sales, Issues, Settlements [Abstract] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) [Abstract] Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Issues Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Other-than-temporary-impairment Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net Closing balance Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease) Income Tax Disclosure [Abstract] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance—beginning of period Unrecognized Tax Benefits Additions—current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Additions—prior year tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Reductions—prior year tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Total liability for unrecognized tax positions—end of period Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Schedule of Common Stock Outstanding Roll Forward Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Schedule of Sale of Common Stock Schedule of Sale of Stock [Table Text Block] Schedule of Sale of Stock [Table Text Block] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Financing Receivable, Allowance for Credit Losses [Line Items] Financing Receivable, Allowance for Credit Losses [Line Items] Charge-offs Fair Value, Option, Quantitative Disclosures [Table] Fair Value, Option, Quantitative Disclosures [Table] Level 3 Valuation Technique [Axis] Valuation Technique [Axis] Valuation Technique [Domain] Valuation Technique [Domain] Discounted cash flows Income Approach Valuation Technique [Member] Sales comparison approach Market Approach Valuation Technique [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Weighted Average Weighted Average [Member] Fair Value, Option, Quantitative Disclosures [Line Items] Fair Value, Option, Quantitative Disclosures [Line Items] Securities trading Trading Securities Securities available-for-sale Available-for-sale Securities Mortgage servicing rights Servicing Asset at Fair Value, Amount Derivative Assets Derivative, Fair Value, Net Total Projected Defaults Fair Value Inputs, Probability of Default Discount Rate Fair Value Inputs, Discount Rate Projected Constant Prepayment Rate Fair Value Inputs, Prepayment Rate Projected Constant Default Rate Fair Value Inputs, Constant Default Rate Fair Value Inputs, Constant Default Rate Projected Loss Severity Fair Value Inputs, Loss Severity Life (in years) Fair Value Assumptions, Expected Term Projected Sales Profit of Underlying Loans Fair Value Inputs, Projected Sales Profit of Underlying Loans Fair Value Inputs, Projected Sales Profit of Underlying Loans Interest and dividend income Interest and Dividend Income, Operating Interest expense Interest Expense Net interest income Interest Income (Expense), Net 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 Non-interest expense Noninterest Expense INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income tax expense Income Tax Expense (Benefit) NET INCOME Net Income (Loss) Attributable to Parent Net income attributable to common stock Net Income (Loss) Available to Common Stockholders, Basic Basic earnings per share (in dollars per share) Earnings Per Share, Basic Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Schedule of Components of Provision for Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Net Deferred Tax Asset Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Unrecognized Tax Benefits Roll Forward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Disclosure of Repurchase Agreements [Abstract] SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block] FAIR VALUE Fair Value Disclosures [Text Block] Deposits [Abstract] Within 12 months Time Deposit Maturities, Next Twelve Months 13 to 24 months Time Deposit Maturities, Year Two 25 to 36 months Time Deposit Maturities, Year Three 37 to 48 months Time Deposit Maturities, Year Four 49 to 60 months Time Deposit Maturities, Year Five Thereafter Time Deposit Maturities, after Year Five Total time deposits, Amount Time Deposits Deposits from principal officers, directors and their affiliates Related Party Deposit Liabilities Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Parent Company [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Interest income Interest Income, Operating Non-interest income (loss) Income (loss) before dividends from subsidiary and equity in undistributed income of subsidiary Income (Loss), before Dividends from Subsidiary and Equity in Undistributed Income of Subsidiary Income (Loss), before Dividends from Subsidiary and Equity in Undistributed Income of Subsidiary Dividends from subsidiary Dividends from Subsidiary Dividends from Subsidiary Equity in undistributed earnings of subsidiary Equity in Undistributed Earnings of Subsidiary Equity in Undistributed Earnings of Subsidiary Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Fair Value Inputs, Instruments Classified in Shareholders' Equity, Quantitative Information [Table] Fair Value Inputs, Instruments Classified in Shareholders' Equity, Quantitative Information [Table] Fair Value Inputs, Equity, Quantitative Information [Line Items] Fair Value Inputs, Equity, Quantitative Information [Line Items] Probability of actual and forecasted defaults Percentage of actual defaults Actual Bank Default Percentage Actual Bank Default Percentage Basis spread on variable rate Fair Value Inputs, Discount Rate, Basis Spread on Variable Rate Fair Value Inputs, Discount Rate, Basis Spread on Variable Rate Description of variable rate basis Fair Value Inputs, Discount Rate, Description of Variable Rate Basis Fair Value Inputs, Discount Rate, Description of Variable Rate Basis Percent increase in discount rate Percent Increase in Discount Rate Percent Increase in Discount Rate Effect on net income before tax from one percentage point increase in discount rate Effect of One Percentage Point Increase in Discount Rate on Net Income Before Tax Effect of One Percentage Point Increase in Discount Rate on Net Income Before Tax Percent decrease in discount rate Percent Decrease in Discount Rate Percent Decrease in Discount Rate Effect on net income before tax from one percentage point decrease in discount rate Effect Of One Percentage Point Decrease In Discount Rate On Net Income Before Tax Effect Of One Percentage Point Decrease In Discount Rate On Net Income Before Tax Unemployment rate Fair Value Inputs, Unemployment Rate Fair Value Inputs, Unemployment Rate Loss severity rates Schedule of Assets Sold under Agreements to Repurchase [Table] Schedule of Assets Sold under Agreements to Repurchase [Table] Securities or Other Assets Sold under Agreements to Repurchase, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Assets Sold under Agreements to Repurchase, Maturity Period [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Maturity on Demand Maturity on Demand [Member] Assets Sold under Agreements to Repurchase [Line Items] Assets Sold under Agreements to Repurchase [Line Items] Securities sold under agreements to repurchase Securities Sold under Agreements to Repurchase Repurchase agreements interest rates Repurchase Agreements, Interest Rate Interest rate on the amount to be repaid to the counterparty to the repurchase agreement. Amount to be repaid under the repurchase agreements Repurchase Agreement, Repurchase Liability Amount to be repaid for a repurchase agreement. Remaining contractual maturity period Repurchase Agreements, Contractual Period, Remaining Repurchase Agreements, Contractual Period, Remaining Remaining period until callable Repurchase Agreements, Period Until Callable, Remaining Period until repurchase agreements are callable. Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value, Measurements, Nonrecurring Fair Value, Measurements, Nonrecurring [Member] Impaired Loans, Mortgage Nonperforming Financing Receivable, Single Family [Member] Nonperforming Financing Receivable, Single Family [Member] Impaired Loans, Home Equity Nonperforming Financing Receivable, Home Equity [Member] Nonperforming Financing Receivable, Home Equity [Member] Impaired Loans, Multifamily Real Estate Secured Nonperforming Financing Receivable, Multifamily [Member] Nonperforming Financing Receivable, Multifamily [Member] Impaired Loans, Commercial Real Estate Secured Nonperforming Financing Receivable, Commercial [Member] Nonperforming Financing Receivable, Commercial [Member] Impaired Loans, Auto and RV Secured Nonperforming Financing Receivable, Recreational Vehicle and Auto [Member] Nonperforming Financing Receivable, Recreational Vehicle and Auto [Member] Impaired Loans, Commercial and Industrial Nonperforming Financing Receivable, Commercial and Industrial [Member] Nonperforming Financing Receivable, Commercial and Industrial Impaired Loans, Other Nonperforming Financing Receivable Other Loans [Member] Nonperforming Financing Receivable Other Loans Other Real Estate Owned, Single Family Real Estate Other Real Estate Owned Single Family [Member] Other Real Estate Owned Single Family [Member] Other Real Estate Owned, Multifamily Real Estate Other Real Estate Owned Multifamily [Member] Other Real Estate Owned Multifamily [Member] Foreclosed assets, Autos and RVs Foreclosed Assets, Recreational Vehicle and Auto [Member] Foreclosed Assets, Recreational Vehicle and Auto [Member] Sales comparison approach and income approach Market Approach and Income Approach Valuation Technique [Member] Market Approach and Income Approach Valuation Technique [Member] Fair Value Inputs, Assets, Quantitative Information [Line Items] Fair Value Inputs, Assets, Quantitative Information [Line Items] Impaired loans and leases, fair value Impaired Financing Receivable, Fair Value Disclosure Impaired Financing Receivable, Fair Value Disclosure Other real estate owned and foreclosed assets, fair value Other Real Estate Owned and Foreclosed Assets, Fair Value Disclosure Other Real Estate Owned and Foreclosed Assets, Fair Value Disclosure Held to maturity - Fair Value Held-to-maturity Securities, Fair Value Fair Value Inputs, Comparability Adjustments Fair Value Inputs, Comparability Adjustments Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Series A Preferred Stock Series A Preferred Stock [Member] Statement [Line Items] Statement [Line Items] ASSETS Assets [Abstract] Cash and due from banks Cash and Due from Banks Federal funds sold Federal Funds Sold Total cash and cash equivalents Cash, Cash Equivalents, and Federal Funds Sold Securities: Marketable Securities [Abstract] Trading Available for sale Held to maturity—fair value of $0 at June 2017 and $202,677 at June 2016 Held-to-maturity Securities Stock of the Federal Home Loan Bank, at cost Federal Home Loan Bank Stock Loans held for sale, carried at fair value Loans Held For Sale, Carried At Fair Value Loans Held For Sale, Carried At Fair Value Loans held for sale, carried at lower of cost or fair value Loans Held for Sale, Lower of Cost or Fair Value Loans Held for Sale, Lower of Cost or Fair Value Loans and leases—net of allowance for loan and lease losses of $40,832 as of June 2017 and $35,826 as of June 2016 Accrued interest receivable Interest Receivable Furniture, equipment and software—net Property, Plant and Equipment, Net Deferred income tax Deferred Tax Assets, Net of Valuation Allowance Cash surrender value of life insurance Bank Owned Life Insurance Mortgage servicing rights, carried at fair value Servicing Asset Other real estate owned and repossessed vehicles Repossessed Assets Other assets Other Assets TOTAL ASSETS Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Deposits: Non-interest bearing Noninterest-bearing Deposit Liabilities Interest bearing Interest-bearing Deposit Liabilities Total deposits Deposits Advances from the Federal Home Loan Bank Advances from Federal Home Loan Banks Subordinated notes and debentures and other Subordinated Debt Accrued interest payable Interest Payable Accounts payable and accrued liabilities and other liabilities Accounts Payable and Other Accrued Liabilities Total liabilities Liabilities COMMITMENTS AND CONTINGENCIES (Note 14) Commitments and Contingencies STOCKHOLDERS’ EQUITY: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock—$0.01 par value; 1,000,000 shares authorized; Series A—$10,000 stated value and liquidation preference per share; 515 shares issued and outstanding as of June 2017 and June 2016 Preferred Stock, Value, Issued Common stock—$0.01 par value; 150,000,000 shares authorized, 65,115,932 shares issued and 63,536,244 shares outstanding as of June 2017, 64,513,494 shares issued and 63,219,392 shares outstanding as of June 2016 Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated other comprehensive income (loss)—net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Treasury stock, at cost; 1,579,688 shares as of June 2017 and 1,294,102 shares as of June 2016 Treasury Stock, Value Total stockholders’ equity Stockholders' Equity Attributable to Parent TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity Property, Plant and Equipment [Abstract] Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Investments, Debt and Equity Securities [Abstract] Available-for-sale debt securities—net unrealized gains Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Available-for-sale, Debt Securities, Net Unrealized Gains Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Available-for-sale, Debt Securities, Net Unrealized Gains Available-for-sale debt securities—non-credit related Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Before Tax, Available-for-Sale, Debt Securities Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Before Tax, Available-for-Sale, Debt Securities Held-to-maturity debt securities—non-credit related Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Before Tax, Held-to-maturity, Debt Securities Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Before Tax, Held-to-maturity, Debt Securities Subtotal Accumulated Other Comprehensive Income (Loss), Investment Securities, Before Tax Accumulated Other Comprehensive Income (Loss), Investment Securities, Before Tax Tax (provision) benefit Accumulated Other Comprehensive Income (Loss), Investment Securities, Tax Expense (Benefit) Accumulated Other Comprehensive Income (Loss), Investment Securities, Tax Expense (Benefit) Net unrealized gain (loss) on investment securities in accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Investment Securities, Net of Tax Accumulated Other Comprehensive Income (Loss), Investment Securities, Net of Tax Individually evaluated for impairment– general allowance Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment, General Allowance Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment, General Allowance Collectively evaluated for impairment Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment Total ending allowance balance Financing Receivable, Allowance for Credit Losses Loans and leases individually evaluated for impairment Financing Receivable, Individually Evaluated for Impairment Loans and leases collectively evaluated for impairment Financing Receivable, Collectively Evaluated for Impairment Accrued interest receivable Loans Receivable, Accrued Interest Loans Receivable, Accrued Interest Total recorded investment in loans and leases Loans and Leases Receivable, Recorded Investment, Net of Accrued Interest, Unaccreted Discounts and Fees Loans and Leases Receivable, Recorded Investment, Net of Accrued Interest, Unaccreted Discounts and Fees DEPOSITS Deposit Liabilities Disclosures [Text Block] With no related allowance recorded: Financing Receivable, Evaluated Individually For Impairment, With No Related Allowance Recorded [Abstract] Financing Receivable, Evaluated Individually For Impairment, With No Related Allowance Recorded [Abstract] Unpaid Principal Balance Financing Receivable, with No Related Allowance, Unpaid Principal Balance, Individually Evaluated for Impairment Financing Receivable, with No Related Allowance, Unpaid Principal Balance, Individually Evaluated for Impairment Principal Balance Adjustment Financing Receivable, with No Related Allowance, Charge-off, Individually Evaluated for Impairment Financing Receivable, with No Related Allowance, Charge-off, Individually Evaluated for Impairment Unpaid Book Balance Financing Receivable, with No Related Allowance, Unpaid Book Balance, Individually Evaluated for Impairment Financing Receivable, with No Related Allowance, Unpaid Book Balance, Individually Evaluated for Impairment Accrued Interest/Origination Fees Financing Receivable, with No Related Allowance, Accrued Interest and Origination Fees, Individually Evaluated for Impairment Financing Receivable, with No Related Allowance, Accrued Interest and Origination Fees, Individually Evaluated for Impairment Recorded Investment Impaired Financing Receivable, with No Related Allowance, Recorded Investment, Individually Evaluated for Impairment, including Accrued Interest and Unaccreted Discounts and Loan Fees Impaired Financing Receivable, with No Related Allowance, Recorded Investment, Individually Evaluated for Impairment, including Accrued Interest and Unaccreted Discounts and Loan Fees With an allowance recorded: Financing Receivable, Evaluated Individually For Impairment, With Related Allowance Recorded [Abstract] Financing Receivable, Evaluated Individually For Impairment, With Related Allowance Recorded [Abstract] Unpaid Principal Balance Financing Receivable, with Related Allowance, Unpaid Principal Balance, Individually Evaluated for Impairment Financing Receivable, with Related Allowance, Unpaid Principal Balance, Individually Evaluated for Impairment Principal Balance Adjustment Financing Receivable, with Related Allowance, Charge-off, Individually Evaluated for Impairment Financing Receivable, with Related Allowance, Charge-off, Individually Evaluated for Impairment Unpaid Book Balance Financing Receivable, with Related Allowance, Unpaid Book Balance, Individually Evaluated for Impairment Financing Receivable, with Related Allowance, Unpaid Book Balance, Individually Evaluated for Impairment Accrued Interest/Origination Fees Financing Receivable, with Related Allowance, Accrued Interest and Origination Fees, Individually Evaluated for Impairment Financing Receivable, with Related Allowance, Accrued Interest and Origination Fees, Individually Evaluated for Impairment Recorded Investment Impaired Financing Receivable, with Related Allowance, Recorded Investment, Individually Evaluated for Impairment, including Accrued Interest and Unaccreted Discounts and Loan Fees Impaired Financing Receivable, with Related Allowance, Recorded Investment, Individually Evaluated for Impairment, including Accrued Interest and Unaccreted Discounts and Loan Fees Related Allocation of General Allowance Impaired Financing Receivable, Related General Allowance Impaired Financing Receivable, Related General Allowance Related Allocation of Specific Allowance Impaired Financing Receivable, Related Specific Allowance Impaired Financing Receivable, Related Specific Allowance As a % of total gross loans and leases Financing Receivable, Evaluated Individually For Impairment As a Percentage of Gross Loans [Abstract] Financing Receivable, Evaluated Individually For Impairment As a Percentage of Gross Loans [Abstract] Unpaid Principal Balance Financing Receivable, Unpaid Principal Balance, Individually Evaluated for Impairment, Ratio to All Loans Financing Receivable, Unpaid Principal Balance, Individually Evaluated for Impairment, Ratio to All Loans Principal Balance Adjustment Financing Receivable, Charge-off, Individually Evaluated for Impairment, Ratio to All Loans Financing Receivable, Charge-off, Individually Evaluated for Impairment, Ratio to All Loans Unpaid Book Balance Financing Receivable, Unpaid Book Balance, Individually Evaluated for Impairment, Ratio to All Loans Financing Receivable, Unpaid Book Balance, Individually Evaluated for Impairment, Ratio to All Loans Accrued Interest/Origination Fees Financing Receivable, Accrued Interest and Origination Fees, Individually Evaluated for Impairment, Ratio to All Loans Financing Receivable, Accrued Interest and Origination Fees, Individually Evaluated for Impairment, Ratio to All Loans Recorded Investment Impaired Financing Receivable, Recorded Investment, Individually Evaluated for Impairment, including Accrued Interest and Unaccreted Discounts and Loan Fees, Ratio to All Loans Impaired Financing Receivable, Recorded Investment, Individually Evaluated for Impairment, including Accrued Interest and Unaccreted Discounts and Loan Fees, Ratio to All Loans Related Allocation of General Allowance Impaired Financing Receivable, Related General Allowance, Ratio to Gross Loans Impaired Financing Receivable, Related General Allowance, Ratio to Gross Loans Related Allocation of Specific Allowance Impaired Financing Receivable, Related Specific Allowance, Ratio to Gross Loans Impaired Financing Receivable, Related Specific Allowance, Ratio to Gross Loans Statement of Comprehensive Income [Abstract] Net tax expense (benefit) for net unrealized gain (loss) from available-for-sale securities Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Net tax expense (benefit) for other-than-temporary impairment on securities recognized in other comprehensive income Other than Temporary Impairment Loss, Investments, Portion in Other Comprehensive Loss, Tax, Attributable to Parent, Held-to-maturity Securities Net tax expense (benefit) for reclassification of net (gain) loss from available-for-sale securities included in income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Statutory federal tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Increase (decrease) resulting from: Effective Income Tax Rate Reconciliation, Percent [Abstract] State taxes—net of federal tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Cash surrender value Effective Income Tax Rate Reconciliation, Cash Surrender Value Effective Income Tax Rate Reconciliation, Cash Surrender Value Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Percent Non-taxable income Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective tax rate Effective Income Tax Rate Reconciliation, Percent Schedule of Gain (Loss) on Investments [Table] Schedule of Gain (Loss) on Investments [Table] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Mortgage-backed securities (RMBS) Residential Mortgage Backed Securities [Member] U.S. agencies Agency, Residential Mortgage Backed Securities [Member] Agency, Residential Mortgage Backed [Member] Non-agency Other Debt Securities Other Debt Obligations [Member] Municipal Municipal Bonds [Member] Non-agency Non-Agency Securities [Member] Non-Agency Securities [Member] Gain (Loss) on Investments [Line Items] Gain (Loss) on Investments [Line Items] Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] Available-for-sale securities in loss position for less than 12 months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Available-for-sale securities in loss position for less than 12 months, Gross Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Available-for-sale securities in loss position for more than 12 months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Available-for-sale securities in loss position, Total, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Available-for-sale securities in loss position, Total, Gross Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] Held-to-maturity securities in loss position for less than 12 months, Fair Value Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Held-to-maturity securities for less than 12 months, Gross Unrealized Losses Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Held-to-maturity securities in loss position for more than 12 months, Fair Value Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Held-to-maturity securities in loss position for more than 12 months, Gross Unrealized Losses Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Held-to-maturity securities in loss position, Total, Fair Value Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value Held-to-maturity securities in loss position, Total, Gross Unrealized Losses Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss Number of securities in a continuous loss position Available-for-sale and Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Available-for-sale and Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Accounting Policies [Abstract] ORGANIZATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] OFF-BALANCE-SHEET ACTIVITIES Off-balance Sheet Activities [Text Block] Off-balance Sheet Activities [Text Block] Schedule of Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table] Schedule of Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table] Debt Security [Axis] Debt Security [Axis] Major Types of Debt Securities [Domain] Major Types of Debt Securities [Domain] Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward] Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward] Beginning balance Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held Additions for the amounts related to the credit loss for which an other-than-temporary impairment was not previously recognized Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment Increases to the amount related to the credit loss for which other-than-temporary impairment was previously recognized Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses Credit losses realized for securities sold Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold Ending balance Number of securities with cumulative credit losses Available-for-sale and Held-to-maturity, Securities with Cumulative Credit Losses, Number Available-for-sale and Held-to-maturity, Securities with Cumulative Credit Losses, Number Carrying value of securities with cumulative credit losses Securities with Cumulative Credit Losses, Carrying Amount Securities with Cumulative Credit Losses, Carrying Amount OTTI recognized in earnings Other than Temporary Impairment, Credit Losses Recognized in Earnings, Period Increase (Decrease) Number of securities with other than temporary impairment Securities With Other Than Temporary Impairment, Number Securities With Other Than Temporary Impairment, Number Carrying value of securities with other than temporary impairment Securities with Other Than Temporary Impairment, Carrying Value Securities with Other Than Temporary Impairment, Carrying Value NET INCOME Net unrealized gain (loss) from available-for-sale securities, net of tax expense (benefit) of $3,363, $(68), and $132 for the years ended June 30, 2017, 2016 and 2015, respectively. Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Other-than-temporary impairment on securities recognized in other comprehensive income, net of tax expense (benefit) of $3,195, $2,177 and $832 for the years ended June 30, 2017, 2016 and 2015, respectively. Other than Temporary Impairment Gains, Investments, Portion in Other Comprehensive Loss, Net of Tax, Portion Attributable to Parent Other than Temporary Impairment Gains, Investments, Portion in Other Comprehensive Loss, Net of Tax, Portion Attributable to Parent Reclassification of net (gain) loss from available-for-sale securities included in income, net of tax expense (benefit) of $1,536, $598 and $235 for the years ended June 30, 2017, 2016 and 2015, respectively. Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive income Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding, beginning (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Cancelled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Outstanding, ending (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding (Wtd. Avg. Ex. Price), beginning (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (Wtd. Avg. Ex. Price) (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (Wtd. Avg. Ex. Price) (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cancelled (Wtd. Avg. Ex. Price) (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Outstanding (Wtd. Avg. Ex. Price), ending (in dollars per share) Options exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Options exercisable (Wtd. Avg. Ex. Price) (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price MINIMUM REGULATORY CAPITAL REQUIREMENTS Regulatory Capital Requirements under Banking Regulations [Text Block] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Leasehold improvements Leasehold Improvements [Member] Furniture and fixtures Furniture and Fixtures [Member] Computer hardware and equipment Computer Equipment [Member] Software Computer Software, Intangible Asset [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Furniture, equipment and software, gross Property, Plant and Equipment, Gross Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Furniture, equipment and software — net Depreciation and amortization expense Depreciation, Depletion and Amortization, Nonproduction PARENT-ONLY CONDENSED FINANCIAL INFORMATION Condensed Financial Information of Parent Company Only Disclosure [Text Block] Compensation Related Costs [Abstract] 401(k) plan, maximum employee annual contribution Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent 401(k) plan, employer contribution match percentage Defined Contribution Plan, Employer Matching Contribution, Percent of Match 401(k) plan, employer contribution, employee's deferral compensation percentage Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 401(k) plan expense Defined Contribution Plan, Cost Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] BofI Federal Bank Subsidiaries [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] H and R Block Bank Deposits H and R Block Bank Deposits [Member] H and R Block Bank Deposits [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Forecast Scenario, Forecast [Member] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Regulatory Capital: Regulatory Capital Requirements [Abstract] Tier 1, Amount Tier One Risk Based Capital Common equity tier 1, Amount Tier One Common Equity Tier One Common Equity Total capital (to risk-weighted assets), Amount Capital Assets: Average adjusted, Amount Total Average Adjusted Assets Total Average Adjusted Assets Total risk-weighted, Amount Risk Weighted Assets Regulatory Capital Ratios: Regulatory Capital Ratios [Abstract] Regulatory Capital Ratios [Abstract] Tier 1 leverage (core) capital to adjusted average assets, Ratio Tier One Leverage Capital to Average Assets Tier 1 leverage (core) capital to adjusted average assets, Well Capitalized Ratio Tier One Leverage Capital Required to be Well Capitalized to Average Assets Tier 1 leverage (core) capital to adjusted average assets, Minimum Capital Ratio Tier One Leverage Capital Required for Capital Adequacy to Average Assets Common equity tier 1 capital (to risk-weighted assets), Ratio Tier One Common Equity To Average Assets Tier One Common Equity To Average Assets Common equity tier 1 capital (to risk-weighted assets), Well Capitalized Ratio Tier One Common Equity Required to be Well Capitalized to Average Assets Tier One Common Equity Required to be Well Capitalized to Average Assets Common equity tier 1 capital (to risk-weighted assets), Minimum Capital Ratio Tier One Common Equity Required for Capital Adequacy to Average Assets Tier One Common Equity Required for Capital Adequacy to Average Assets Tier 1 capital (to risk-weighted assets), Ratio Tier One Risk Based Capital to Risk Weighted Assets Tier 1 capital (to risk-weighted assets), Well Capitalized Ratio Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets Tier 1 capital (to risk-weighted assets), Minimum Capital Ratio Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets Total capital (to risk-weighted assets), Ratio Capital to Risk Weighted Assets Total capital (to risk-weighted assets), Well Capitalized Ratio Capital Required to be Well Capitalized to Risk Weighted Assets Total capital (to risk-weighted assets), Minimum Capital Ratio Capital Required for Capital Adequacy to Risk Weighted Assets Common equity tier 1 capital (to risk-weighted assets) annual increase percentage Tier One Common Equity Required for Capital Adequacy to Average Asset, Annual Increase, Percent Tier One Common Equity Required for Capital Adequacy to Average Asset, Annual Increase, Percent Tier 1 capital (to risk-weighted assets) annual increase percentage Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets, Annual Increase, Percent Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets, Annual Increase, Percent Total capital (to risk-weighted assets) annual increase percentage Capital Required for Capital Adequacy to Risk Weighted Assets, Annual Increase, Percent Capital Required for Capital Adequacy to Risk Weighted Assets, Annual Increase, Percent Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] Ratio of nonperforming loans considered TDRs Loans and Leases Receivable, Ratio of Nonperforming Loans Considered TDRs Loans and Leases Receivable, Ratio of Nonperforming Loans Considered TDRs Term which borrowers make timely payments after TDRs are considered non-performing Loans and Leases Receivable, TDRs with Timely Payments Considered Nonperforming, Term Loans and Leases Receivable, TDRs with Timely Payments Considered Nonperforming, Term Ratio of non-performing loans that are single family mortgage Loans and Leases Receivable, Ratio of Portfolio Segment to Nonperforming Loans Loans and Leases Receivable, Ratio of Portfolio Segment to Nonperforming Loans Value after write-downs of original appraised value, percent Loans and Leases Receivable, Value after Write-downs of Original Appraised Value, Percent Loans and Leases Receivable, Value after Write-downs of Original Appraised Value, Percent Interest recognized on performing loans temporarily modified as TDRs Interest Income, Performing Loans Temporarily Modified as TDRs Interest Income, Performing Loans Temporarily Modified as TDRs Period of delinquent property taxes repaid by borrower Financing Receivable, Modifications, Period of Delinquent Property Taxes Repaid by Borrower Financing Receivable, Modifications, Period of Delinquent Property Taxes Repaid by Borrower Period of interest-only payments made by borrowers that reverted loan back to fully amortizing Financing Receivable, Modifications, Period of Interest-Only Payments Made by Borrowers That Reverted Loan Back To Fully Amortizing Financing Receivable, Modifications, Period of Interest-Only Payments Made by Borrowers That Reverted Loan Back To Fully Amortizing Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Mortgage loans Loans [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Geographic concentration risk Geographic Concentration Risk [Member] Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Geographical [Domain] CALIFORNIA CALIFORNIA Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Emerald Advance Emerald Advance [Member] Emerald Advance Lease Arrangement, Type [Axis] Lease Arrangement, Type [Axis] Lease Arrangement, Type [Domain] Lease Arrangement, Type [Domain] Direct Financing Lease Direct Financing Lease [Member] Direct Financing Lease Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Pacific Western Equipment Finance Pacific Western Equipment Finance [Member] Pacific Western Equipment Finance Concentration Risk [Line Items] Concentration Risk [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Restricted cash, minimum reserve balances Restricted Cash and Cash Equivalents Concentration risk percentage Concentration Risk, Percentage Concentration risk, item measured Concentration Risk, Benchmark Description Concentration risk, geographic area Concentration Risk, Additional Characteristic Loans and leases interest and dividend retainer fee (as percent) Loans and Leases Interest And Dividend Income, Retainer Percentage Fee Loans and Leases Interest And Dividend Income, Retainer Percentage Fee Fixed assets, cost capitalization threshold Furniture, Equipment and Software, Estimated Useful Lives Furniture, Equipment and Software, Estimated Useful Lives Fixed assets, estimated useful lives Furniture, Equipment and Software, Threshold For Capitalization Furniture, Equipment and Software, Threshold For Capitalization Number of reportable segments Number of Reportable Segments Number of operating segments Number of Operating Segments Deposits acquired, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities Asset purchase agreement Asset Purchase Agreement Asset Purchase Agreement Lease purchase price premium rate (as percent) Lease Purchase Price Premium Over Assumed Liabilities Lease Purchase Price Premium Over Assumed Liabilities Non-interest bearing Noninterest-bearing Deposit Liabilities, by Component [Abstract] Non-interest bearing, Amount Interest bearing: Interest-bearing Deposit Liabilities, by Component [Abstract] Demand, Amount Demand Deposit Accounts Demand, Rate Weighted Average Rate Domestic Deposit, Demand Savings, Amount Deposits, Savings Deposits Savings, Rate Weighted Average Rate Domestic Deposit, Savings Total demand and savings, Amount Deposits, Demand and Savings Deposits Deposits, Demand and Savings Deposits Total demand and savings, Rate Weighted Average Rate Domestic Deposit, Demand and Savings Weighted Average Rate Domestic Deposit, Demand and Savings Time deposits: Maturities of Time Deposits [Abstract] $250 and under, Amount Time Deposits, Less than $250,000 Time Deposits, Less than $250,000 $250 and under, Rate Weighted Average Interest Rate of Time Deposits, Less than $250,000 Weighted Average Interest Rate of Time Deposits, Less than $250,000 Greater than $250, Amount Time Deposits, $250,000 or More Time Deposits, $250,000 or More Greater than $250, Rate Weighted Average Interest Rate of Time Deposits, $250,000 or More Weighted Average Interest Rate of Time Deposits, $250,000 or More Total time deposits, Rate Weighted Average Rate Domestic Deposit, Time Deposits Total interest bearing, Amount Total interest bearing, Rate Weighted Average Rate, Interest-bearing Domestic Deposits, Point in Time Total deposits, Rate Weighted Average Rate Deposit Weighted Average Rate Deposit Time deposits acquired through broker relationships Interest-bearing Deposit, Time Deposits, Brokered Interest-bearing Deposit, Time Deposits, Brokered Time deposits acquired through broker relationships, $250,000 and under Time Deposits, Less Than $250,000, Brokered Time Deposits, Less Than $250,000, Brokered Debt Disclosure [Abstract] SUBORDINATED NOTES AND DEBENTURES Debt Disclosure [Text Block] Schedule of Marketable Securities [Table] Schedule of Marketable Securities [Table] Schedule of Marketable Securities [Table] Marketable Securities [Line Items] Marketable Securities [Line Items] Marketable Securities [Line Items] Available-for-Sale, Amortized Cost Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] Due within one year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Due one to five years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis Due five to ten years Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Due after ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Available-for-sale, Amortized Cost Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis Available-for-Sale, Fair Value Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Due within one year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due one to five years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Due five to ten years Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value Due after ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Available-for-sale, Fair Value Held-to-maturity, Carrying Amount Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract] Due within one year Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount Due one to five years Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount Due five to ten years Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount Due after ten years Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount Held-to-maturity, Carrying Amount Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount Held-to-maturity, Fair Value Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Due within one year Held-to-maturity Securities, Debt Maturities, Next Twelve Months, Fair Value Due one to five years Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value Due five to ten years Held-to-maturity Securities, Debt Maturities, Year Six Through Ten, Fair Value Due after ten years Held-to-maturity Securities, Debt Maturities, after Ten Years, Fair Value Held-to-maturity, Fair Value Trading, Fair Value Trading Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Trading Securities, Debt Maturities, Fair Value, Fiscal Year Maturity Due within one year Trading Securities, Debt Maturities, Due Within One Year, Fair Value Trading Securities, Debt Maturities, Due Within One Year, Fair Value Due one to five years Trading Securities, Debt Maturities, After One Through Five Years, Fair Value Trading Securities, Debt Maturities, After One Through Five Years, Fair Value Due five to ten years Trading Securities, Debt Maturities, After Five Through Ten Years, Fair Value Trading Securities, Debt Maturities, After Five Through Ten Years, Fair Value Due after ten years Trading Securities, Debt Maturities, after Ten Years, Fair Value Trading Securities, Debt Maturities, after Ten Years, Fair Value Trading Securities, Fair Value Trading Securities, Debt Maturities, Fair Value Trading Securities, Debt Maturities, Fair Value INCOME TAXES Income Tax Disclosure [Text Block] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Impaired loans Other real estate owned Real Estate Acquired in Satisfaction of Debt [Member] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Carrying (Reported) Amount, Fair Value Disclosure Reported Value Measurement [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] Impaired loans, write-off Financing Receivable, Allowance for Credit Losses, Write-downs Impaired loans, additional provision for loan losses Financing Receivable, Allowance for Credit Losses, Period Increase (Decrease) Other real estate owned, valuation allowance Real Estate Owned, Valuation Allowance, Amounts Applied Held-to-maturity, Carrying Amount Held-to-maturity securities, impairment charged to income Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Held-to-maturity Securities Held-to-maturity securities, impairment charged to other comprehensive income Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest, Held-to-maturity Securities Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Convertible Preferred Stock Preferred Stock [Member] Treasury Treasury Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss), Net of Income Tax AOCI Attributable to Parent [Member] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Restricted stock Restricted Stock [Member] Stock options Employee Stock Option [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Convertible Preferred Stock, Beginning Balance (in shares) Preferred Stock, Shares Outstanding Common stock, Beginning Balance (in shares) Common Stock, Shares, Outstanding Stockholders' equity, Beginning Balance Net income Other comprehensive income (loss) Cash dividends on preferred stock Dividends, Preferred Stock, Cash Issuance of common stock (in shares) Stock Issued During Period, Common Stock, Shares, New Issues Stock Issued During Period, Common Stock, Shares, New Issues Issuance of common stock Stock Issued During Period, Common Stock, Value, New Issues Stock Issued During Period, Common Stock, Value, New Issues Stock-based compensation expense (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock-based compensation expense Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Restricted stock unit vesting and tax benefits (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Restricted stock unit vesting, stock options exercised and tax benefits (in shares) Shares Paid for Tax Withholding for Share Based Compensation Restricted stock unit vesting and tax benefits outstanding (in shares) Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Restricted stock unit vesting and tax benefits Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stock option exercises and tax benefits (in shares) Stock option exercises and tax benefits outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Net Of Options For Tax Withholdings Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Net Of Options For Tax Withholdings Stock option exercises and tax benefits Stock Issued During Period, Value, Stock Options Exercised Convertible Preferred Stock, Ending Balance (in shares) Common stock, Ending Balance (in shares) Stockholders' equity, Ending Balance Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2018 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2019 Operating Leases, Future Minimum Payments, Due in Two Years 2020 Operating Leases, Future Minimum Payments, Due in Three Years 2021 Operating Leases, Future Minimum Payments, Due in Four Years 2022 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Schedule of Deposits Schedule of Deposit Liabilities [Table Text Block] Schedule of Deposit Liabilities [Table Text Block] Schedule Of Maturities For Total Time Deposits Schedule Of Maturities For Total Time Deposits [Table Text Block] Schedule Of Maturities For Total Time Deposits Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Non-vested balance, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Non-vested balance, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Non-vested balance (Wtd. Avg. Grant Date FV), beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (Wtd. Avg. Grant Date FV) (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested (Wtd. Avg. Grant Date FV) (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Cancelled (Wtd. Avg. Grant Date FV) (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Non-vested balance (Wtd. Avg. Grant Date FV), ending balance (in dollars per share) Number of securities sold Available-for-sale Securities, Number Sold Available-for-sale Securities, Number Sold Sold security, at carrying value Available-for-sale Securities, Sold Security, at Carrying Value Available-for-sale Securities, Sold Security, at Carrying Value Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract] Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract] Proceeds Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds Gross realized gains Available-for-sale Securities, Gross Realized Gains Gross realized loss Available-for-sale Securities, Gross Realized Losses Net gain on securities Available-for-sale Securities, Gross Realized Gain (Loss) 2018 Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Year One As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest, expected to vest in year one. 2019 Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Year Two As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest, expected to vest in year two after the balance sheet date. 2020 Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Year Three As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest, expected to vest in year three after the balance sheet date. Total Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Schedule of Quarterly Financial Information Quarterly Financial Information [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Unrecognized Compensation Cost, Nonvested Awards Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Income Statement [Abstract] INTEREST AND DIVIDEND INCOME: Interest and Dividend Income, Operating [Abstract] Loans and leases, including fees Interest and Fee Income, Loans and Leases Investments Interest and Dividend Income, Securities, Operating Total interest and dividend income INTEREST EXPENSE: Interest Expense [Abstract] Deposits Interest Expense, Deposits Advances from the Federal Home Loan Bank Interest Expense, Federal Home Loan Bank Advances Interest Expense, Federal Home Loan Bank Advances Other borrowings Interest Expense, Other Total interest expense NON-INTEREST INCOME: Noninterest Income [Abstract] Realized gain (loss) on sale of mortgage-backed securities Gain (Loss) on Sales of Mortgage Backed Securities (MBS) Other-than-temporary loss on securities: Other than Temporary Impairment Losses, Investments [Abstract] Total impairment losses Other than Temporary Impairment Losses, Investments Loss (gain) recognized in other comprehensive income Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Portion Attributable to Parent Net impairment loss recognized in earnings Fair value gain (loss) on trading securities Total unrealized loss on securities Total Unrealized Gain (Loss) On Securities Total Unrealized Gain (Loss) On Securities Prepayment penalty fee income Prepayment Penalty Fee Income Prepayment Penalty Fee Income Gain on sale – other Gain (Loss) on Disposition of Other Assets Mortgage banking income Fees and Commissions, Mortgage Banking Banking service fees and other income Fees and Commissions, Depositor Accounts Total non-interest income NON-INTEREST EXPENSE: Noninterest Expense [Abstract] Salaries and related costs Labor and Related Expense Data processing and internet Information Technology and Data Processing Advertising and promotional Marketing and Advertising Expense Depreciation and amortization Occupancy and equipment Occupancy And Equipment Expense Occupancy And Equipment Expense Professional services Professional Fees FDIC and regulatory fees FDIC and Primary Federal Regulator Fees FDIC and Primary Federal Regulator Fees Real estate owned and repossessed vehicles Real Estate Owned And Repossessed Vehicles Expense (Recovery) Real Estate Owned And Repossessed Vehicles Expense (Recovery) Other general and administrative Other General and Administrative Expense Total non-interest expense INCOME TAXES NET INCOME ATTRIBUTABLE TO COMMON STOCK COMPREHENSIVE INCOME Contractual Obligation, Fiscal Year Maturity Schedule Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Range of FICO Score [Axis] Range of FICO Score [Axis] Range of FICO Score [Axis] Range of FICO Score [Domain] Range of FICO Score [Domain] Range of FICO Score [Domain] FICO greater than or equal to 770 FICO Score Greater Than or Equal to 770 [Member] FICO Score Greater Than or Equal to 770 [Member] FICO 715 - 769 FICO Score 715 - 769 [Member] FICO Score 715 - 769 [Member] FICO 700 - 714 FICO Score 700 - 714 [Member] FICO Score 700 - 714 [Member] FICO 660 - 699 FICO Score 660 - 699 [Member] FICO Score 660 - 699 [Member] FICO less than 660 FICO Score Less Than 660 [Member] FICO Score Less Than 660 [Member] Loan to Value Ratio Range [Axis] Loan to Value Ratio Range [Axis] Loan to Value Ratio Range [Axis] Loan to Value Ratio Range [Domain] Loan to Value Ratio Range [Domain] Loan to Value Ratio Range [Domain] LTV less than or equal to 60% Loan to Value Ratio Less than or Equal to 60% [Member] Loan to Value Ratio Less than or Equal to 60% [Member] LTV 61% - 70% Loan to Value Ratio 61% - 70% [Member] Loan to Value Ratio 61% - 70% [Member] LTV 71% - 80% Loan to Value Ratio 71% - 80% [Member] Loan to Value Ratio 71% - 80% [Member] LTV greater than 80% Loan to Value Ratio Greater than 80% [Member] Loan to Value Ratio Greater than 80% [Member] LTV less than or equal to 55% Loan to Value Less Than or Equal to 55% [Member] Loan to Value Less Than or Equal to 55% [Member] LTV 56% - 65% Loan to Value Ratio 56% - 65% [Member] Loan to Value Ratio 56% - 65% [Member] LTV 66% - 75% Loan to Value Ratio 66% - 75% [Member] Loan to Value Ratio 66% - 75% [Member] LTV 76% - 80% Loan to Value Ratio Range 76% - 80% [Member] Loan to Value Ratio Range 76% - 80% [Member] LTV less than or equal to 50% Loan to Value Less Than or Equal to 50% [Member] Loan to Value Less Than or Equal to 50% [Member] LTV 51% - 60% Loan to Value Ratio 51% - 60% [Member] Loan to Value Ratio 51% - 60% [Member] Loans collectively evaluated for impairment Interest only loans Loans and Leases Receivable, Interest-Only Loans and Leases Receivable, Interest-Only Option adjustable-rate mortgage loans Loans and Leases Receivable, Option Adjustable-Rate Loans and Leases Receivable, Option Adjustable-Rate Aggregate fair value Loans Held-for-sale, Fair Value Disclosure Contractual balance Loans Held-for-sale, Contractual Balance, Including Accrued Interest Loans Held-for-sale, Contractual Balance, Including Accrued Interest Gain Loans Held-for-sale, Fair Value Adjustment Loans Held-for-sale, Fair Value Adjustment Interest income Loans Held-for-sale, Interest Income Loans Held-for-sale, Interest Income Change in fair value Loans Held-for-sale, Change in Fair Value Loans Held-for-sale, Change in Fair Value Total change in fair value Loans Held-for-sale, Change in Fair Value, Total Loans Held-for-sale, Change in Fair Value, Total