Entity Central Index Key Financing receivable recorded investment troubled debt restructured accruing. Financing receivable recorded investment troubled debt restructured nonaccrual status. Financing receivable recorded investment troubled debt restructured accruing number of contracts. Financing receivable recorded investment troubled debt restructured nonaccrual status number of contracts. Financing receivable recorded investment thirty to eighty nine days past due. Financing receivable allowance for credit losses related to purchased credit impaired loans. Financing receivable allowance for purchased credit impaired loans. Cover [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Current Reporting Status Entity Current Reporting Status Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity File Number Entity File Number Entity Tax Identification Number Entity Tax Identification Number 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 Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Entity Interactive Data Current Entity Interactive Data Current Entity Incorporation, State or Country Code Entity Incorporation State Country Code Title of 12(b) Security Security12b Title Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Non-marketable securities equity securities. Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] Cash and cash equivalents: Cash Cash Equivalents And Federal Funds Sold [Abstract] Cash and due from banks Cash And Due From Banks Interest-bearing deposits Interest Bearing Deposits In Banks Federal funds sold Federal Funds Sold Total cash and cash equivalents Cash Cash Equivalents And Federal Funds Sold Investment securities - available for sale, at fair value Available For Sale Securities Debt Securities Non-marketable equity securities Non Marketable Securities Equity Securities Loans held for sale Loans Receivable Held For Sale Net Not Part Of Disposal Group Loans: Loans And Leases Receivable Net Reported Amount [Abstract] Loans held for investment Loans And Leases Receivable Net Of Deferred Income Allowance for credit losses Loans And Leases Receivable Allowance Total loans held for investment, net Loans And Leases Receivable Net Reported Amount Premises and equipment, net Property Plant And Equipment Net Goodwill Goodwill Bank-owned life insurance Bank Owned Life Insurance Deferred income tax assets, net Deferred Tax Assets Liabilities Net Accrued interest receivable Interest Receivable Other intangibles Other Intangible Assets Net Other real estate owned Other Real Estate And Foreclosed Assets Other assets Other Assets Total assets Assets LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities And Stockholders Equity [Abstract] Deposits: Deposits [Abstract] Non-interest bearing deposits Noninterest Bearing Deposit Liabilities Interest bearing deposits Interest Bearing Deposit Liabilities Total deposits Deposits Short-term borrowings Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Accrued interest payable Interest Payable Current And Noncurrent Other liabilities Other Liabilities Total liabilities Liabilities Shareholders’ equity: Stockholders Equity [Abstract] Preferred shares, $0.01 par value: 3,000,000 shares authorized; no shares issued Preferred Stock Value Common shares, $0.01 par value: 30,000,000 shares authorized; 18,787,810 and 18,870,498 shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively Common Stock Value Outstanding Additional paid-in capital Additional Paid In Capital Common Stock Retained earnings Retained Earnings Accumulated Deficit Accumulated other comprehensive income Accumulated Other Comprehensive Income Loss Net Of Tax Total shareholders’ equity Stockholders Equity Total liabilities and shareholders’ equity Liabilities And Stockholders Equity Preferred shares, par value Preferred Stock Par Or Stated Value Per Share Preferred shares, authorized Preferred Stock Shares Authorized Preferred shares, issued Preferred Stock Shares Issued Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Mortgage banking non-interest income. Card processing. Service charges on deposit accounts non-interest income. Income Statement [Abstract] Interest income Interest And Dividend Income Operating [Abstract] Interest and fees on loans Interest And Fee Income Loans And Leases Interest and dividends on investments Investment Income Interest And Dividend Total interest income Interest And Dividend Income Operating Interest expense Interest Expense Deposits Net interest income Interest Income Expense Net Provision for credit losses Provision For Loan Losses Expensed Net interest income after provision for credit losses Interest Income Expense After Provision For Loan Loss Non-interest income Noninterest Income [Abstract] Mortgage banking Mortgage Banking Non Interest Income Card processing Card Processing Income Service charges on deposit accounts Service Charges On Deposit Accounts Non Interest Income Other Noninterest Income Other Operating Income Total non-interest income Noninterest Income Non-interest expense Noninterest Expense [Abstract] Salaries and employee benefits Labor And Related Expense Occupancy, equipment and depreciation Occupancy Net Data processing Information Technology And Data Processing Marketing and advertising Marketing And Advertising Expense FDIC premiums Federal Deposit Insurance Corporation Premium Expense Other Other Noninterest Expense Total non-interest expense Noninterest Expense Income before income tax expense Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Income tax expense Income Tax Expense Benefit Net income Net Income Loss Earnings per common share: Earnings Per Share [Abstract] Basic Earnings Per Share Basic Diluted Earnings Per Share Diluted Weighted average common shares outstanding: Weighted Average Number Of Shares Outstanding [Abstract] Basic Weighted Average Number Of Shares Outstanding Basic Diluted Weighted Average Number Of Diluted Shares Outstanding Statement Of Income And Comprehensive Income [Abstract] Net income Other comprehensive income Comprehensive Income Net Of Tax [Abstract] Unrealized holding gains on securities available for sale Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax Income tax expense Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax Unrealized holding gains on securities available for sale, net of tax Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Total comprehensive income Comprehensive Income Net Of Tax Reclassification of new accounting pronouncement to retained earnings. Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Shares 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 2016-13 Accounting Standards Update201613 [Member] Statement [Line Items] Statement [Line Items] Balance, beginning Balance, beginning, Shares Other comprehensive income Cash dividends Dividends Common Stock Cash Reclass related to ASC 326 adoption (CECL) Reclassification Of New Accounting Pronouncement To Retained Earnings Shares repurchased Stock Repurchased During Period Value Shares repurchased, Shares Stock Repurchased During Period Shares Share-based compensation Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Issuance of shares under stock incentive plans Stock Issued During Period Value Share Based Compensation Issuance of shares under stock incentive plans, Shares Stock Issued During Period Shares Share Based Compensation Balance, ending Balance, beginning, Shares Cash dividends per share Common Stock Dividends Per Share Declared Payments to acquire non-marketable equity securities. Proceeds from sale of non marketable equity securities. Transfer of held to maturity securities to available for sale. Statement Of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided By Used In Operating Activities [Abstract] Net income Profit Loss Adjustments to reconcile net income to net cash provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization Depreciation And Amortization Deferred income taxes Deferred Income Tax Expense Benefit Net amortization of securities discounts and premiums Accretion Amortization Of Discounts And Premiums Investments Increase in cash surrender value of bank-owned life insurance Bank Owned Life Insurance Income Share-based compensation Share Based Compensation Gain on sale of loans held for sale Gain Loss On Sales Of Loans Net Originations of loans held for sale Payments For Origination And Purchases Of Loans Held For Sale Proceeds from sale of loans held for sale Proceeds From Sale Of Mortgage Loans Held For Sale Net changes in: 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 Other liabilities Increase Decrease In Other Operating 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] Net change in loans held for investment Payments For Proceeds From Loans And Leases Purchase of available for sale securities Payments To Acquire Available For Sale Securities Debt Proceeds from maturities/sales of available for sale securities Proceeds From Sale And Maturity Of Available For Sale Securities Proceeds from maturities of held to maturity securities Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities Purchase of premises and equipment Payments To Acquire Property Plant And Equipment Proceeds from sale of other real estate owned, net of improvements Proceeds From Sale Of Other Real Estate Purchase of non-marketable equity securities Payments To Acquire Non Marketable Equity Securities Proceeds from sale of non-marketable equity securities Proceeds From Sale Of Non Marketable Equity Securities Net cash (used in) provided by investing activities Net Cash Provided By Used In Investing Activities Cash flows from financing activities: Net Cash Provided By Used In Financing Activities [Abstract] Net increase in deposits Increase Decrease In Deposits Proceeds related to exercise of stock options Proceeds From Stock Options Exercised Net cash used in share repurchase program Payments For Repurchase Of Common Stock Cash dividends paid Payments Of Dividends Common Stock Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Net change 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 Including Disposal Group And Discontinued Operations Cash and cash equivalents, end of period Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid Net Income taxes paid Income Taxes Paid Supplemental disclosures of non-cash investing transactions: Noncash Investing And Financing Items [Abstract] Unrealized gains on securities available for sale Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax Transfer of HTM securities to AFS Transfer Of Held To Maturity Securities To Available For Sale Accounting Policies [Abstract] Basis of Presentation and Significant Accounting Policies Basis Of Presentation And Significant Accounting Policies [Text Block] Investments Debt And Equity Securities [Abstract] Investment Securities Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] Receivables [Abstract] Loans and Allowance for Credit Losses Loans Notes Trade And Other Receivables Disclosure [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Fair Value Disclosures [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Banking And Thrift [Abstract] Regulatory Capital Matters Regulatory Capital Requirements Under Banking Regulations [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Incentive Share-Based Plan and Other Employee Benefits Compensation And Employee Benefit Plans [Text Block] Nature of Operations and Basis of Consolidation Consolidation Policy [Text Block] Use of Estimates Use Of Estimates Reclassifications Prior Period Reclassification Adjustment Description Business Combinations Business Combinations Policy Cash and Cash Equivalents Cash And Cash Equivalents Policy [Text Block] Investment Securities Marketable Securities Policy Debt securities available for sale allowance for credit loss. policy. Allowance For Credit Losses - AFS Securities Debt Securities Available For Sale Allowance For Credit Loss Policy Policy [Text Block] Non-Marketable Equity Securities Securities Owned Not Readily Marketable Policy Loans Held for Sale Finance Loan And Lease Receivables Held For Sale Policy Loans Held for Investment Finance Loan And Lease Receivables Held For Investment Policy Troubled Debt Restructurings ("TDR") Loans And Leases Receivable Troubled Debt Restructuring Policy Individually evaluated loans. Individually Evaluated Loans Individually Evaluated Loans Policy Policy [Text Block] Acquired loans policy. Acquired Loans Acquired Loans Policy [Text Block] Allowance for Credit Losses - Loans Loans And Leases Receivable Allowance For Loan Losses Policy Off-Balance-Sheet Credit Related Financial Instruments Off Balance Sheet Credit Exposure Policy Policy [Text Block] Allowance for credit losses on off-balance sheet credit exposures, policy. Allowance For Credit Losses On Off-Balance Sheet Credit Exposures Allowance For Credit Losses On Off Balance Sheet Credit Exposures Policy Policy [Text Block] Premises and Equipment Property Plant And Equipment Policy [Text Block] Bank owned life insurance. Bank-Owned Life Insurance Bank Owned Life Insurance Policy [Text Block] Goodwill Goodwill And Intangible Assets Goodwill Policy Other Intangible Assets Goodwill And Intangible Assets Intangible Assets Policy Mortgage and other servicing rights policy. Mortgage and Other Servicing Rights Mortgage And Other Servicing Rights Policy [Text Block] Other Real Estate Owned Finance Loan And Lease Receivables Held For Investments Foreclosed Assets Policy Transfers of Financial Assets Transfers And Servicing Of Financial Assets Policy [Text Block] Income Taxes Income Tax Policy [Text Block] Share Based Compensation Plans Share Based Compensation Option And Incentive Plans Policy Earnings Per Share Earnings Per Share Policy [Text Block] Comprehensive Income Comprehensive Income Policy Policy [Text Block] Impact of Recent Authoritative Accounting Guidance New Accounting Pronouncements Policy Policy [Text Block] Subsequent Events Subsequent Events Policy Policy [Text Block] Schedule of property plant and equipment useful life. Schedule of Estimated Useful Lives of Related Assets Schedule Of Property Plant And Equipment Useful Life Table [Text Block] Schedule of Earnings Per Common Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Schedule of Impact of Adoption of ASC 326 Schedule Of New Accounting Pronouncements And Changes In Accounting Principles [Text Block] Summary of Amortized Cost and Estimated Fair Value of Investment Securities Available for Sale Debt Securities Available For Sale Table [Text Block] Summary of Gross Unrealized Losses and Fair Value for Securities Available for Sale and Held to Maturity Schedule Of Unrealized Loss On Investments Table [Text Block] Debt securities available for sale aggregated by credit quality indicator. Summary of Amortized Cost of Debt Securities Available for Sale Aggregated by Credit Quality Indicator Debt Securities Available For Sale Aggregated By Credit Quality Indicator Table [Text Block] Amortized Cost and Estimated Fair Value of Investment Securities that are Available for Sale and Held to Maturity by Contractual Maturity Investments Classified By Contractual Maturity Date Table [Text Block] Summary of Loans Schedule Of Accounts Notes Loans And Financing Receivable [Text Block] Summary of Changes in Allowance for Credit Losses Allowance For Credit Losses On Financing Receivables Table [Text Block] Summary of Nonaccrual Loans Schedule Of Financing Receivables Non Accrual Status Table [Text Block] Summary of Troubled Debt Restructured Loans Troubled Debt Restructurings On Financing Receivables Table [Text Block] Troubled debt restructurings on financing receivables payments default occurs With in restructure date. Summary of Changes in Troubled Debt Restructured Loans Troubled Debt Restructurings On Financing Receivables Payments Default Occurs With In Restructure Date Table [Text Block] Summary of Current and Past Due Loans Held For Investment (Accruing And Non-Accruing) Past Due Financing Receivables Table [Text Block] Summary of Outstanding Loan Balances Categorized by Credit Quality Indicators Financing Receivable Credit Quality Indicators Table [Text Block] Summary of Information on Individually Evaluated Loans Impaired Financing Receivables Table [Text Block] summary of amortized cost basis of collateral dependent loans. Summary of Amortized Cost Basis of Collateral Dependent Loans Summary Of Amortized Cost Basis Of Collateral Dependent Loans Summary of changes in accretable yield for purchased credit impaired loans. Summary of Changes In Accretable Yield for Non-PCD Loans Summary Of Changes In Accretable Yield For Purchased Credit Impaired Loans Table [Text Block] Summary of Contractual Amounts of Off-balance Sheet Financial Instruments Schedule Of Fair Value Off Balance Sheet Risks [Text Block] Summary of Estimated Fair Values of Financial Instruments Fair Value By Balance Sheet Grouping [Text Block] Summary of Asset Measured on Recurring and Non-recurring Basic at Fair Value Fair Value Assets Measured On Recurring And Nonrecurring Basis Table [Text Block] Summary of Actual and Required Capital Amounts and Ratios Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Text Block] Number of retail branches. Basis of presentation and significant accounting policies. Basis of presentation and significant accounting policies. Basis Of Presentation And Significant Accounting Policies [Table] Basis Of Presentation And Significant Accounting Policies [Table] Legal Entity Legal Entity [Axis] Entity Entity [Domain] Peoples intermountain bank. People's Intermountain Bank Peoples Intermountain Bank [Member] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Minimum Minimum [Member] Maximum [Member] Maximum [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] Mortgage loans. Mortgage Loans Mortgage Loans [Member] Consumer and credit card loans. Consumer And Credit Card Loans Consumer And Credit Card Loans [Member] Maximum Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Restricted Stock Units Restricted Stock Units R S U [Member] Basis Of Presentation And Significant Accounting Policies [Line Items] Basis Of Presentation And Significant Accounting Policies [Line Items] Number of retail branches Number Of Retail Branches Accrued interest reversed against interest income. Debt securities, held to maturity, threshold period past due for loans placed on non-accrual status Debt Securities Held To Maturity Threshold Period Past Due Writeoff Accrued interest reversed against interest income Accrued Interest Reversed Against Interest Income Threshold period past due for loans placed on nonaccrual status Financing Receivable Threshold Period Past Due Writeoff Number of loan segments. Number of loan segments Number Of Loan Segments Schedule Of Property Plant And Equipment [Table] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment, Type Property Plant And Equipment By Type [Axis] Property, Plant and Equipment, Type Property Plant And Equipment Type [Domain] Building and Building Improvements Building And Building Improvements [Member] Leasehold Improvements Leasehold Improvements [Member] Furniture and Equipment Furniture And Fixtures [Member] Computers Software and Equipment Software Development [Member] Property Plant And Equipment [Line Items] Property Plant And Equipment [Line Items] Estimated useful lives Property Plant And Equipment Useful Life Vesting period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Vesting period, description Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights Numerator Net Income Loss [Abstract] Denominator Weighted-average number of common shares outstanding Incremental shares assumed for stock options and RSUs Incremental Common Shares Attributable To Share Based Payment Arrangements Weighted-average number of dilutive shares outstanding Basic earnings per common share Diluted earnings per common share Public float. Public float Public Float Annual revenues Revenues Increase in available for sale debt securities amortized cost basis for purchase with credit deterioration loans. Increase in allowance for credit losses for non-purchase with credit deterioration loans. Increase in amortized cost basis for PCD loans Increase In Available For Sale Debt Securities Amortized Cost Basis For Purchase With Credit Deterioration Loans Increase in allowance for credit losses for Non-PCD loans Increase In Allowance For Credit Losses For Non Purchase With Credit Deterioration Loans Increase in allowance for credit losses to reflect change in accounting methodology Debt Securities Available For Sale Allowance For Credit Loss Period Increase Decrease 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] Commercial and industrial portfolio segment. Commercial and Industrial Commercial And Industrial Portfolio Segment [Member] Consumer Consumer Portfolio Segment [Member] Restatement Restatement [Axis] Restatement Restatement [Domain] Reported Pre Adoption Scenario Previously Reported [Member] Impact of ASC 326 Adoption Restatement Adjustment [Member] Real Estate Term Real Estate Loan [Member] Construction and land development. Construction and Land Development Construction And Land Development [Member] Residential mortgage and home equity lines of credit. Residential and Home Equity Residential Mortgage And Home Equity Lines Of Credit [Member] Consumer and other. Consumer and Other Consumer And Other [Member] Loans held for investment, Allowance for credit losses Reserve for off-balance sheet obligations Off Balance Sheet Credit Loss Liability Shareholders’ equity Schedule Of Available For Sale Securities [Table] Schedule Of Available For Sale Securities [Table] Investment Type Investment Type [Axis] Investments Investment Type Categorization [Member] Municipal Securities Municipal Bonds [Member] Corporate Securities Corporate Bond Securities [Member] Financial Instrument Financial Instrument [Axis] Financial Instruments Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] U.S. Government Sponsored Securities U S Government Sponsored Enterprises Debt Securities [Member] Mortgage-backed Securities Mortgage Backed Securities [Member] Schedule Of Available For Sale Securities [Line Items] Schedule Of Available For Sale Securities [Line Items] Available for Sale, Amortized Cost Available For Sale Debt Securities Amortized Cost Basis Available for Sale, Gross Unrealized Gains Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax Available for Sale, Gross Unrealized Losses, Less Than 12 Months Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss Available for Sale, Gross Unrealized Losses, 12 Months or Longer Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss Available for Sale, Fair Value Available-for-sale and held-to-maturity securities continuous unrealized loss position. Available-for-sale and held-to-maturity securities continuous unrealized loss position. Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position [Table] Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position [Table] Available-for-Sale and Held-to-Maturity Securities Continuous Unrealized Loss Position [Line Items] Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position [Line Items] Available for Sale, Less Than 12 Months, Fair Value Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Available for Sale, 12 Months or More, Fair Value Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Available for Sale, Fair Value, Total Debt Securities Available For Sale Unrealized Loss Position Available for Sale, Less Than 12 Months, Unrealized Losses Available for Sale, 12 Months or More, Unrealized Losses Available for Sale, Unrealized Losses, Total Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss Held to Maturity, Less Than 12 Months, Fair Value Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value Held to Maturity, 12 Months or More, Fair Value Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value Held to Maturity, Fair Value, Total Held To Maturity Securities Continuous Unrealized Loss Position Fair Value Held to Maturity, Less Than 12 Months, Unrealized Losses Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss Held to Maturity, 12 Months or More, Unrealized Losses Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss Held to Maturity, Unrealized Losses, Total Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss Investment grade rating. Investment Grade Rating Investment Grade Rating [Member] Below investment grade. Below Investment Grade Below Investment Grade [Member] Unrated investment securities. Unrated Investment Securities Unrated Investment Securities [Member] U.S. Government-backed securities. U.S. Government Backed Securities U S Government Backed Securities [Member] Available For Sale Securities by Maturity, Amortized Cost Available For Sale Securities Debt Maturities Amortized Cost [Abstract] Available for Sale, Securities maturing in one year or less, Amortized cost Available For Sale Securities Debt Maturities Within One Year Amortized Cost Available for Sale, Securities maturing in After one year through five years, Amortized cost Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost Available for Sale, Securities maturing in After five years through ten years, Amortized cost Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost Available for Sale, Securities maturing in After ten years, Amortized cost Available For Sale Securities Debt Maturities After Ten Years Amortized Cost Available For Sale Securities by Maturity, Fair Value Available For Sale Securities Debt Maturities Fair Value [Abstract] Available for Sale, Securities maturing in one year or less, Fair Value Available For Sale Securities Debt Maturities Within One Year Fair Value Available for Sale, Securities maturing in After one year through five years, Fair Value Available For Sale Securities Debt Maturities After One Through Five Years Fair Value Available for Sale, Securities maturing in After five years through ten years, Fair Value Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value Available for Sale, Securities maturing in After ten years, Fair Value Available For Sale Securities Debt Maturities After Ten Years Fair Value Available for Sale, Fair Value Available-for-sale and held-to-maturity, securities in unrealized loss positions, qualitative disclosure, number of positions Number of available for sale investment securities with fair value less than amortized cost Available For Sale And Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Number of maturity securities with fair values less than amortized cost Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Debt securities available-for-sale number of securities in nonaccrual status. Debt securities held to maturity transfer number of positions. Sales of available for sale securities Proceeds From Sale Of Available For Sale Securities Debt Available for sale securities in a nonaccrual status Debt Securities Available For Sale Number Of Securities In Nonaccrual Status Held to maturity to available for sale transfer, number of securities Debt Securities Held To Maturity Transfer Number Of Positions Held to maturity to available for sale transfer amount Debt Securities Held To Maturity Transfer Amount Held to maturity to available for sale transfer, unrecognized loss Held To Maturity Securities Transferred Security Unrealized Gain Loss Loans And Leases Receivable Disclosure [Abstract] Schedule Of Accounts Notes Loans And Financing Receivable [Table] Schedule Of Accounts Notes Loans And Financing Receivable [Table] Accounts Notes And Loans Receivable [Line Items] Accounts Notes And Loans Receivable [Line Items] Total gross loans Notes Receivable Gross Net deferred loan fees Financing Receivable Deferred Income Total loans held for investment Financing Receivable After Deferred Income Offset Allowance for credit losses Financing Receivable Allowance For Credit Losses Total loans held for investment, net Notes Receivable Net Financing receivable, allowance for credit loss, charge-offs recoveries, net. 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] Balance at beginning of period Impact of adopting ASC 326 New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification Gross loan charge-offs Financing Receivable Allowance For Credit Losses Write Offs Recoveries Financing Receivable Allowance For Credit Losses Recovery Net loan (charge-offs) / recoveries Financing Receivable Allowance For Credit Loss Charge Offs Recoveries Net Balance at end of period Financing receivable recorded investment not troubled debt restructured nonaccrual status. Commercial and Industrial Commercial and Industrial Loans Commercial And Industrial Loan [Member] Non-accrual loans, not troubled debt restructured Financing Receivable Recorded Investment Not Troubled Debt Restructured Nonaccrual Status Troubled debt restructured loans, non-accrual Financing Receivable Recorded Investment Troubled Debt Restructured Nonaccrual Status Total non-accrual loans Financing Receivable Recorded Investment Nonaccrual Status Schedule Of Impaired Financing Receivable [Table] Schedule Of Impaired Financing Receivable [Table] Financial Instrument Performance Status Financial Instrument Performance Status [Axis] Financial Instrument Performance Status Financial Instrument Performance Status [Domain] Non-performing Assets Nonperforming Financing Receivable [Member] 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 Guarantees Loans Insured Or Guaranteed By Us Government Authorities [Member] Type of Borrower Class Of Financing Receivable Type Of Borrower [Axis] Class of Financing Receivable, Type of Borrower Class Of Financing Receivable Type Of Borrower [Domain] Troubled debt restructured loans. Troubled Debt Restructured Loans [Member] Troubled Debt Restructured Loans [Member] Purchased credit-impaired loans. PCI Loans Purchased Credit Impaired Loans [Member] Related Party Related Party Transactions By Related Party [Axis] Related Party Related Party [Domain] Affiliates Affiliated Entity [Member] Financing Receivable Impaired [Line Items] Financing Receivable Impaired [Line Items] Non-accrual loans Financing receivable modifications recorded investment number of contracts. Schedule Of Financing Receivable Troubled Debt Restructurings [Table] Schedule Of Financing Receivable Troubled Debt Restructurings [Table] Loan Restructuring Modification Loan Restructuring Modification [Axis] Loan Restructuring Modification Loan Restructuring Modification [Domain] Interest Rate Reduction Contractual Interest Rate Reduction [Member] Loan Payment Deferment Payment Deferral [Member] Loan Re-amortization Principal Forgiveness [Member] Loan Extension Extended Maturity [Member] Financial Asset, Period Past Due Financing Receivables Period Past Due [Axis] Financial Asset, Period Past Due Financing Receivables Period Past Due [Domain] Financing receivables two thousand and twenty. 2020 Financing Receivables Two Thousand And Twenty [Member] Financing receivables two thousand and nineteen. 2019 Financing Receivables Two Thousand And Nineteen [Member] Financing receivables two thousand and eighteen. 2018 Financing Receivables Two Thousand And Eighteen [Member] Financing receivables two thousand and seventeen. 2017 Financing Receivables Two Thousand And Seventeen [Member] Financing receivables thereafter. Thereafter Financing Receivables Thereafter [Member] Financing Receivable Modifications [Line Items] Financing Receivable Modifications [Line Items] Accruing troubled debt restructured loans Financing Receivable Recorded Investment Troubled Debt Restructured Accruing Non-accrual troubled debt restructured loans Total troubled debt restructured loans Financing Receivable Modifications Recorded Investment Total trouble debt restructurings met criteria to be delisted for reporting purposes # of Accruing TDR Financing Receivable Recorded Investment Troubled Debt Restructured Accruing Number Of Contracts # of Non-accrual TDR Financing Receivable Recorded Investment Troubled Debt Restructured Nonaccrual Status Number Of Contracts # of Total TDR Financing Receivable Modifications Recorded Investment Number Of Contracts Loans And Leases Receivable Disclosure [Table] Loans And Leases Receivable Disclosure [Table] Loans And Leases Receivable Disclosure [Line Items] Loans And Leases Receivable Disclosure [Line Items] Number of loans Financing Receivable Modifications Number Of Contracts2 Pre-modification balance Financing Receivable Modifications Pre Modification Recorded Investment2 Post-modification balance Financing Receivable Modifications Post Modification Recorded Investment2 Number of loans, subsequently defaulted Financing Receivable Modifications Subsequent Default Number Of Contracts1 Recorded balance, subsequently defaulted Financing Receivable Modifications Subsequent Default Recorded Investment1 Schedule Of Financing Receivables Past Due [Table] Schedule Of Financing Receivables Past Due [Table] Financing Receivable Recorded Investment Past Due [Line Items] Financing Receivable Recorded Investment Past Due [Line Items] Current Financing Receivable Recorded Investment Current 30-89 Days Past Due Financing Receivable Recorded Investment Thirty To Eighty Nine Days Past Due 90+ Days Past Due Financing Receivable Recorded Investment90 Days Past Due And Still Accruing Non-accrual Total Past-Due Financing Receivable Recorded Investment Past Due Purchased Credit Impaired Financing Receivable Allowance For Credit Losses Related To Purchased Credit Impaired Loans Total Loans Internal Credit Assessment Internal Credit Assessment [Axis] Internal Credit Assessment Internal Credit Assessment [Domain] Pass Pass [Member] Special Mention Special Mention [Member] Substandard Substandard [Member] Doubtful Doubtful [Member] Total Loans Total Allowance Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Table] Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Table] Collateral Collateral [Axis] Collateral Collateral [Domain] Residential Real Estate [Member] Residential Real Estate [Member] Financing Receivable Recorded Investment [Line Items] Financing Receivable Recorded Investment [Line Items] Term Loans Amortized Cost Basis by Origination Year, 2020 Financing Receivable Originated In Current Fiscal Year Term Loans Amortized Cost Basis by Origination Year, 2019 Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year Term Loans Amortized Cost Basis by Origination Year, 2018 Financing Receivable Originated Two Years Before Latest Fiscal Year Term Loans Amortized Cost Basis by Origination Year, 2017 Financing Receivable Originated Three Years Before Latest Fiscal Year Term Loans Amortized Cost Basis by Origination Year, 2016 Financing Receivable Originated Four Years Before Latest Fiscal Year Term Loans Amortized Cost Basis by Origination Year, Prior Financing Receivable Originated Five Or More Years Before Latest Fiscal Year Revolving Loans Amortized Cost Financing Receivable Revolving Allowance for loan losses, Individually evaluated for impairment Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 Allowance for loan losses, Collectively evaluated for impairment Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment Allowance for loan losses, Purchased credit-impaired loans Financing Receivable Allowance For Purchased Credit Impaired Loans Allowance for loan losses, Total Outstanding loan balances, Individually evaluated for impairment Financing Receivable Individually Evaluated For Impairment Outstanding loan balances, Collectively evaluated for impairment Financing Receivable Collectively Evaluated For Impairment Outstanding loan balances, Purchased credit-impaired loans Real Estate Real Estate [Member] Accounts receivable as collateral. Accounts Receivable Accounts Receivable As Collateral [Member] Equipment Equipment [Member] Livestock. Livestock Livestock [Member] Auto. Auto Auto [Member] Total collateral dependent loans Loans And Leases Receivable Collateral For Secured Borrowings Unpaid Principal Balance Impaired Financing Receivable Unpaid Principal Balance Recorded investment With No Allowance Impaired Financing Receivable With No Related Allowance Recorded Investment Recorded investment With Allowance Impaired Financing Receivable With Related Allowance Recorded Investment Total Recorded Investment Impaired Financing Receivable Recorded Investment Related ACL Impaired Financing Receivable Related Allowance Average Recorded Investment Impaired Financing Receivable Average Recorded Investment Interest Income Recognition Impaired Financing Receivable Interest Income Accrual Method Outstanding contractual unpaid principal balance, excluding acquisition accounting adjustments Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net Non-accretable difference between the contractually required payments and cash flows expected to be collected Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference Carrying balance/ outstanding balance Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance Amortized cost basis for PCD loans increased Financing Receivable Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date Certain loans acquired in transfer not accounted for as debt securities accretable yield accretion to interest income. Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Movement Schedule Roll Forward Balance, beginning of period Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion to interest income Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion To Interest Income Reclassification from non-accretable difference Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference Balance, end of period Available lines of credit for loans and credit cards to affiliates. Deposits from affiliates. Outstanding loans with affiliates Loans And Leases Receivable Related Parties Available lines of credit for loans and credit cards to affiliates Available Lines Of Credit For Loans And Credit Cards To Affiliates Deposits from affiliates Deposits From Affiliates Commitments and contingencies. Commitments and contingencies. Commitments And Contingencies [Table] Commitments And Contingencies [Table] Commitments to Extend Credit Commitments To Extend Credit [Member] Information about standby letters of credit and bond commitments. Stand-by Letters of Credit and Bond Commitments Standby Letters Of Credit And Bond Commitment [Member] Unused Credit Card Lines, All Unsecured Unused Lines Of Credit [Member] Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Off-balance sheet financial instrument, contractual amount Fair Value Disclosure Offbalance Sheet Risks Amount Liability Information about unsecured commitments included in commitments to extend credit [Member] Unsecured Commitments Included in Commitments to Extend Credit Unsecured Commitments Included In Commitments To Extend Credit [Member] Information about unsecured commitments included in standby letters of credit and bond commitments. Unsecured Commitments Included in Stand-by Letters of Credit and Bond Commitments Unsecured Commitments Included In Standby Letters Of Credit And Bond Commitments [Member] Non-marketable securities fair value disclosure. Fair Value By Balance Sheet Grouping [Table] Fair Value By Balance Sheet Grouping [Table] Measurement Basis 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 Value Carrying Reported Amount Fair Value Disclosure [Member] Estimated Fair Value Estimate Of Fair Value Fair Value Disclosure [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] 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] Cash and cash equivalents Cash And Cash Equivalents Fair Value Disclosure Investment securities available for sale Non-marketable securities Non Marketable Securities Fair Value Disclosure Loans held for sale Loans Held For Sale Fair Value Disclosure Loans held for investment Notes Receivable Fair Value Disclosure Financial Liabilities: Financial Instruments Financial Liabilities Balance Sheet Groupings [Abstract] Total deposits Deposits Fair Value Disclosure Individually evaluated loans fair value disclosure. 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 Valued on a Recurring Basis Fair Value Measurements Recurring [Member] Fair Valued on a Non-Recurring Basis Fair Value Measurements Nonrecurring [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] Investment securities available for sale Individually evaluated loans Individually Evaluated Loans Fair Value Disclosure Effective tax rate Effective Income Tax Rate Continuing Operations Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table] Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table] Altabank. Altabank Altabank [Member] Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] CET1 Capital to Risk-Weighted Assets, Actual Amount Common Equity Tier One Capital Tier 1 Capital to Risk-Weighted Assets, Actual Amount Tier One Risk Based Capital Total Risk-Based Capital to Risk-Weighted Assets, Actual Amount Capital Tier 1 Leverage, Actual Amount Tier One Leverage Capital CET1 Capital to Risk-Weighted Assets, Minimum Capital Requirement Amount Common Equity Tier One Capital Required For Capital Adequacy Tier 1 Capital to Risk-Weighted Assets, Minimum Capital Requirement Amount Tier One Risk Based Capital Required For Capital Adequacy Total Risk-Based Capital to Risk-Weighted Assets, Minimum Capital Requirement Amount Capital Required For Capital Adequacy Tier 1 Leverage, Minimum Capital Requirement Amount Tier One Leverage Capital Required For Capital Adequacy CET1 Capital to Risk-Weighted Assets, Well Capitalized Requirement Amount Common Equity Tier One Capital Required To Be Well Capitalized Tier 1 Capital to Risk-Weighted Assets, Well Capitalized Requirement Amount Tier One Risk Based Capital Required To Be Well Capitalized Total Risk-Based Capital to Risk-Weighted Assets, Well Capitalized Requirement Amount Capital Required To Be Well Capitalized Tier 1 Leverage, Well Capitalized Requirement Amount Tier One Leverage Capital Required To Be Well Capitalized CET1 Capital to Risk-Weighted Assets, Actual Ratio Common Equity Tier One Capital Ratio Tier 1 Capital to Risk-Weighted Assets, Actual Ratio Tier One Risk Based Capital To Risk Weighted Assets Total Risk-Based Capital to Risk-Weighted Assets, Actual Ratio Capital To Risk Weighted Assets Tier 1 Leverage, Actual Ratio Tier One Leverage Capital To Average Assets Common equity tier one for capital adequacy to risk weighted assets. CET1 Capital to Risk-Weighted Assets, Minimum Capital Requirement Ratio Common Equity Tier One For Capital Adequacy To Risk Weighted Assets Tier 1 Capital to Risk-Weighted Assets, Minimum Capital Requirement Ratio Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Total Risk-Based Capital to Risk-Weighted Assets, Minimum Capital Requirement Ratio Capital Required For Capital Adequacy To Risk Weighted Assets Tier 1 Leverage, Minimum Capital Requirement Ratio Tier One Leverage Capital Required For Capital Adequacy To Average Assets Common equity tier one to be well capitalized to risk weighted assets. CET1 Capital to Risk-Weighted Assets, Well Capitalized Requirement Ratio Common Equity Tier One To Be Well Capitalized To Risk Weighted Assets Tier 1 Capital to Risk-Weighted Assets, Well Capitalized Requirement Ratio Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Total Risk-Based Capital to Risk-Weighted Assets, Well Capitalized Requirement Ratio Capital Required To Be Well Capitalized To Risk Weighted Assets Tier 1 Leverage, Well Capitalized Requirement Ratio Tier One Leverage Capital Required To Be Well Capitalized To Average Assets Reduced reserve requirement ratio. Minimum reserve balances on average deposits Federal Reserve Bank Stock Reduced reserve requirement ratio Reduced Reserve Requirement Ratio Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Minimum Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Share based incentive plan. Share-Based Incentive Plan Share Based Incentive Plan [Member] Options Employee Stock Option [Member] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Maximum number of shares available for issuance under the plan Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized Share-based awards granted term Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period Share-based compensation expense Allocated Share Based Compensation Expense Restricted stock units granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Fair value of restricted stock units Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Options issued to purchase common shares Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross