Long-term Debt, Type [Axis] Federal Home Loan Bank Advances Matured on November 2024 [Member] Federal Home Loan Bank Advances Matured on April 2020 [Member] Federal Home Loan Bank Advances Matured on May 2020 [Member] Federal Home Loan Bank Advances Matured on March 2019 [Member] Class of Financing Receivable [Axis] Agricultural and Residential Real Estate [Member] Retirement Plan Type [Axis] Post-retirement Benefits Plan [Member] Deferred Compensation Plans - Directors [Member] Deferred Compensation Plans - Executive Officers [Member] Range [Axis] Lower Range [Member] Upper Range [Member] Award Type [Axis] Stock Options [Member] Exercise Price Range [Axis] Exercise Price $27.25 [Member] Exercise Price $25.65 [Member] Exercise Price $20.86 [Member] Exercise Price $21.13 [Member] Exercise Price $22.31 [Member] Restricted Stock Units [Member] Restricted stock [Member] Consolidated Entities [Axis] Parent Company [Member] Measurement Basis [Axis] Carrying Amount [Member] Estimated Fair Value [Member] Fair Value, Hierarchy [Axis] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Significant Other Observable Inputs (Level 2) [Member] Significant Unobservable Inputs (Level 3) [Member] Measurement Frequency [Axis] Fair Value Measured - Recurring Basis [Member] Financial Instrument [Axis] U.S. Government and Federal Agency [Member] U.S. Treasury Notes and Bonds [Member] Equity Securities [Member] State and Municipal [Member] Mortgage-backed [Member] Corporate [Member] Trust Preferred Securities [Member] Asset-backed Securities [Member] Debt Security Category [Axis] Equity Securities Held at Fair Value [Member] Investment Securities Available For Sale [Member] Fair Value - Non-Recurring Basis [Member] ChoiceOne Bank [Member] Lakestone Bank & Trust [Member] Equity Components [Axis] Common Stock and Paid in Capital [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income/(Loss), Net [Member] Property, Plant and Equipment, Type [Axis] Land improvements [Member] Building [Member] Buildings [Member] Furniture and Fixtures [Member] Agricultural [Member] Commercial and Industrial [Member] Consumer [Member] Commercial Real Estate [Member] Construction Real Estate [Member] Residential Real Estate [Member] Unallocated [Member] Internal Credit Assessment [Axis] Risk ratings 1 and 2 [Member] Risk rating 3 [Member] Risk rating 4 [Member] Risk rating 5 [Member] Risk rating 6 [Member] Performing [Member] Nonaccrual [Member] Construction Real Estate [Member] Financing Receivables Period Past Due [Axis] 30 to 59 Days [Member] 60 to 89 Days [Member] Greater Than 90 Days [Member] Lakestone Bank & Trust [Member] Land and Land Improvements [Member] Leasehold Improvements [Member] Furniture And Equipment [Member] Business Acquisition [Axis] County Bank Corp ("County") [Member] Finite-Lived Intangible Assets by Major Class [Axis] Core Deposit Intangible [Member] Valley Ridge Financial Corp., [Member] Community Shores Bank Corp ("Community Shores") [Member] Deferred Compensation Plans - Executive Officers [Member] Acquired Impaired [Member] Acquired Non-Impaired [Member] Common Stock [Member] Fractional Stock [Member] Adjustments For New Accounting Pronouncements [Axis] Accounting Standards Update 201601 [Member] Cover [Abstract] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity File Number Entity Incorporation, State or Country Code Entity Well-known Seasoned Issuer Entity Voluntary Filer Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Smaller Business Entity Emerging Growth Company Entity Shell Company Entity Public Float Share price Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus Statement of Financial Position [Abstract] Assets Cash and due from banks Time deposits in other financial institutions Cash and cash equivalents Equity securities at fair value (Note 2) Securities available for sale (Note 2) Federal Home Loan Bank stock Federal Reserve Bank stock Loans held for sale Loans to other financial institutions Loans (Note 3) Allowance for loan losses (Note 3) Loans, net Premises and equipment, net (Note 5) Other real estate owned, net (Note 7) Cash value of life insurance policies Goodwill (Note 6) Core deposit intangible (Note 6) Other assets Total assets Liabilities Deposits - noninterest-bearing (Note 8) Deposits - interest-bearing (Note 8) Total deposits Federal funds purchased Advances from Federal Home Loan Bank (Note 10) Other liabilities (Notes 11 and 13) Total liabilities Shareholders' Equity (Note 20) Preferred stock; shares authorized: 100,000; shares outstanding: none Common stock and paid-in capital, no par value; shares authorized: 12,000,000; shares outstanding: 7,245,088 in 2019 and 3,616,483 in 2018 (Note 14) Retained earnings Accumulated other comprehensive income (loss), net Total shareholders' equity Total liabilities and shareholders' equity Preferred stock, par value (in dollars per share) Preferred stock, authorized Preferred stock, outstanding Common stock, par value (in dollars per share) Common stock, authorized Common stock, outstanding Income Statement [Abstract] Interest income Loans, including fees Securities: Taxable Tax exempt Other Total interest income Interest expense Deposits Advances from Federal Home Loan Bank Other Total interest expense Net interest income Provision for loan losses (Note 3) Net interest income after provision for loan losses Noninterest income Customer service charges Insurance and investment commissions Gains on sales of loans (Note 4) Net gains/(losses) on sales of securities (Note 2) Net gains on sales and write-downs of other assets (Note 7) Earnings on life insurance policies Change in market value of equity securities Gain on sale of investment book of business Other Total noninterest income Noninterest expense Salaries and benefits (Notes 13 and 14) Occupancy and equipment (Note 5) Data processing Professional fees Supplies and postage Advertising and promotional Intangible amortization (Note 6) FDIC insurance Other Total noninterest expense Income before income tax Income tax expense (Note 11) Net income Basic earnings per share (Note 15) (in dollars per share) Diluted earnings per share (Note 15) (in dollars per share) Dividends declared per share (in dollars per share) Statement of Comprehensive Income [Abstract] Net income Other comprehensive income (loss): Changes in net unrealized gains (losses) on investment securities available for sale, net of tax expense (benefit) of $583, $(196), and $324 for the years ended December 31, 2019, 2018, and 2017, respectively Reclassification adjustment for realized gain on sale of investment securities available for sale included in net income, net of tax expense (benefit) of $5, $7, and $(95) for the years ended December 31, 2019, 2018, and 2017, respectively Change in adjustment for postretirement benefits, net of tax expense (benefit) of $(5), $10, and $(9) for the years ended December 31, 2019, 2018, and 2017, respectively Other comprehensive income (loss), net of tax Comprehensive income Unrealized holding gains on available for sale securities, tax expense (benefit) Reclassification adjustment for gain recognized in net income, tax expense (benefit) Adjustment for postretirement benefits, tax expense (benefit) Statement [Table] Statement [Line Items] Increase (Decrease) in Stockholders' Equity Balance, beginning Balance, beginning (in shares) Other comprehensive income (loss) Shares issued Shares issued (in shares) Shares repurchased Shares repurchased (in shares) Effect of employee stock purchases Stock-based compensation expense Stock-based compensation expense (in shares) Stock options exercised and issued Stock options exercised and issued (in shares) Restricted stock units issued Restricted stock units issued (in shares) Merger with County Bank Corp, net of issuance costs Merger with County Bank Corp, net of issuance costs (in shares) Adoption effect of ASU 2016-01 Stock dividend declared Stock dividend declared (in shares) Effect of tax law change on other comprehensive income Cash dividends declared Balance, ending Balance, ending (in shares) Statement of Stockholders' Equity [Abstract] Cash dividend declared, per share Stock dividend issued Statement of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net income to net cash from operating activities: Provision for loan losses Depreciation Amortization Compensation expense on employee and director stock purchases, stock options, and restricted stock units Net (gains)/losses on sales of securities Net change in market value of equity securities Gains on sales of loans Loans originated for sale Proceeds from loan sales Earnings on bank-owned life insurance Proceeds from BOLI policy Earnings on death benefit from bank-owned life insurance (Gains)/losses on sales of other real estate owned Proceeds from sales of other real estate owned Deferred federal income tax (benefit)/expense Net change in: Other assets Other liabilities Net cash from operating activities Cash flows from investing activities: Sales of securities available for sale Sales of equity securities Maturities, prepayments and calls of securities available for sale Purchases of securities available for sale Purchases or calls of FHLB stock Loan originations and payments, net Additions to premises and equipment Cash received from merger with County Bank Corp Net cash from investing activities Cash flows from financing activities: Net change in deposits Net change in repurchase agreements Net change in fed funds purchased Proceeds from Federal Home Loan Bank advances Payments on Federal Home Loan Bank advances Issuance of common stock Repurchase of common stock Cash dividends and fractional shares from stock dividend and merger Cash related to equity issuance for merger Net cash from financing activities Net change in cash and cash equivalents Beginning cash and cash equivalents Ending cash and cash equivalents Supplemental disclosures of cash flow information: Cash paid for interest Cash paid for income taxes Loans transferred to other real estate owned Accounting Policies [Abstract] Summary of Significant Accounting Policies Investments, Debt and Equity Securities [Abstract] Securities Receivables [Abstract] Loans and Allowance for Loan Losses Mortgage Banking [Abstract] Mortgage Banking Property, Plant and Equipment [Abstract] Premises and Equipment Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Other Real Estate [Abstract] Other Real Estate Owned Deposits [Abstract] Deposits Disclosure of Repurchase Agreements [Abstract] Repurchase Agreements Advances from Federal Home Loan Banks [Abstract] Federal Home Loan Bank Advances Income Tax Disclosure [Abstract] Income Taxes Related Party Transactions [Abstract] Related Party Transactions Retirement Benefits [Abstract] Employee Benefit Plans Share-based Payment Arrangement [Abstract] Stock Based Compensation Earnings Per Share [Abstract] Earnings Per Share Condensed Financial Information Disclosure [Abstract] Condensed Financial Statements of Parent Company Investments, All Other Investments [Abstract] Financial Instruments Fair Value Disclosures [Abstract] Fair Value Measurements Risks and Uncertainties [Abstract] Off-Balance Sheet Activities Regulatory Capital Regulatory Capital Business Combinations [Abstract] Business Combination Quarterly Financial Information Disclosure [Abstract] Quarterly Financial Data (Unaudited) Principles of Consolidation Merger with County Nature of Operations Use of Estimates Cash and Cash Equivalents Securities Loans Loans to Other Financial Institutions Allowance for Loan Losses Premises and Equipment Other Real Estate Owned Bank Owned Life Insurance Loan Servicing Rights Goodwill Loan Commitments and Related Financial Instruments Employee Benefit Plans Income Taxes Earnings Per Share Comprehensive Income Loss Contingencies Cash Restrictions Stock-Based Compensation Dividend Restrictions Fair Value of Financial Instruments Operating Segments Recent Accounting Pronouncements Reclassifications Schedule of accumulated other comprehensive income Schedule of fair value of securities Schedule of fair value of securities available for sale Schedule of sales of equity securities and securities available for sale Schedule of contractual maturities of equity securities and securities available for sale Schedule of securities pledged as collateral Schedule of securities in a continuous unrealized loss position Schedule of unrealized gains and losses on equity securities Schedule of loan portfolio Schedule of acquisition fair value adjustments Schedule of activity in the allowance for loan losses and balances in the loan portfolio Schedule of the bank's credit exposure Schedule of impaired loans Schedule of aging analysis of loans by loan category Schedule of nonaccrual loans by loan category Schedule of activity in secondary market loans Schedule of activity for loan servicing rights (included in other assets) Schedule of premises and equipment Schedule of rent commitments under non-cancelable operating leases Schedule of goodwill Schedule of acquired intangible assets Schedule of estimated amortization expense Schedule of other real estate owned Schedule of deposits outstanding Schedule of maturities of time deposits Schedule of securities sold under repurchase agreements Schedule of outstanding advances from the Federal Home Loan Bank Schedule of maturities of FHLB Advances Schedule of reconciliation of income tax expense Schedule of deferred tax assets and liabilities Schedule of related party loans Schedule of stock option activity Schedule of outstanding stock options Schedule of weighted-average assumptions as of the grant date Schedule of activity for RSUs Schedule of basic and diluted earnings per share Schedule of condensed balance sheets Schedule of condensed statements of income Schedule of condensed statements of cash flows Schedule of carrying value and fair value of financial assets and liabilities Schedule of assets measured at fair value on a recurring basis Schedule of changes in Level 3 assets measured at fair value on a recurring basis Schedule of assets measured at fair value on a nonrecurring basis Schedule of contractual amount of financial instruments with off-balance sheet risk Schedule of actual capital and minimum required levels Business Combination, Goodwill [Abstract] Schedule of merger with county Schedule of indicative of the future results of the company Schedule of quarterly financial data (unaudited) Unrealized gain (loss) on available for sale securities Unrecognized gains on post-retirement benefits Tax effect Accumulated other comprehensive income (loss) Statistical Measurement [Axis] Adjustments for New Accounting Pronouncements [Axis] Useful lives Cash on deposit with Federal Reserve Bank Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value Schedule of Available-for-sale Securities [Table] Debt Securities, Available-for-sale [Line Items] Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value Proceeds from sales of securities Gross realized gains Gross realized losses Amortized Cost Due within one year Due after one year through five years Due after five years through ten years Due after ten years Total debt securities Total Fair Value Due within one year Due after one year through five years Due after five years through ten years Due after ten years Total debt securities Total Securities pledged for securities sold under agreements to repurchase Security pledged for Community Reinvestment Act credits Total Securities with unrealized loss position Less than 12 months, Fair Value Less than 12 months, Unrealized Losses More than 12 months, Fair Value More than 12 months, Unrealized Losses Total, Fair Value Total, Unrealized Losses New gains and losses recognized during the period Less: Net gains and losses recognized during the period on securities sold Unrealized gains and losses recognized during the reporting period on securities still held at the reporting date Number of securities with an unrealized loss positions Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Line Items] Allowance for loan losses Loans, net Loans acquired - contractual payments Nonaccretable difference Expected cash flows Accretable yield Carrying balance at acquisition date Beginning balance Merger with County Bank Corp on October 1, 2019 Accretion Reclassification from nonaccretable difference Ending balance Allowance for Loan Losses Beginning balance Charge-offs Recoveries Provision Ending balance Individually evaluated for impairment Collectively evaluated for impairment Loans Individually evaluated for impairment Collectively evaluated for impairment Acquired with deteriorated credit quality Ending balance Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Line Items] Nonperforming [Member] Schedule of Impaired Financing Receivable [Table] Financing Receivable, Impaired [Line Items] Impaired and Restructured Loans with or without related allowance recorded Recorded Investment with no related allowance recorded Unpaid Principal Balance with no related allowance recorded Average Recorded Investment with no related allowance recorded Interest Income Recognized with no related allowance recorded Impaired Loans with a related allowance recorded Recorded Investment with an allowance recorded Unpaid Principal Balance with an allowance recorded Related Allowance Average Recorded Investment with an allowance recorded Interest Income Recognized with an allowance recorded Impaired Loans Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Line Items] Financial Asset, Period Past Due [Axis] Past Due Total Loans Not Past Due Loans 90 Days Past Due and Accruing Nonaccrual loans Total loans in the process of foreclosure Loans originated for resale, net of principal payments Net gains on sales of loans held for sale Loan servicing fees, net of amortization Servicing Asset at Amortized Cost, Balance Balance, beginning of year Capitalized Amortization Acquired from merger with County Bank Corp Balance, end of year Mortgage loans serviced for others Fair value of loan servicing rights Discount Rate Prepayment Speed Premises and equipment, gross Accumulated depreciation Premises and equipment, net Rental committments under operating leases for the fiscal year ended: 2020 2021 2022 2023 2024 Thereafter Total undiscounted cash flows Less discount Total operating lease liabilities Depreciation expense Rent expense January 1 Acquired goodwill from merger with County December 31 Gross Carrying Amount Accumulated Amortization 2020 2021 2022 2023 2024 Thereafter Total Intangible asset amortization Amortization period Percentage excess goodwill fair value over carrying amount Description of valuation assumption Goodwill from acquisition Balance, beginning of year Transfers from loans Acquisition from County Bank Corp Proceeds from sales Gains/(losses) on sales Balance, end of year Residential real estate mortgage loans Commercial real estate loans Noninterest-bearing demand deposits Interest-bearing demand deposits Money market deposits Savings deposits Local certificates of deposit Brokered certificates of deposit Maturities of deposits during the year ending December 31, 2020 2021 2022 2023 2024 Thereafter Total Certificates of deposit $250,000 or greater Brokered certificates of deposit Certificates of Deposit issued through CDARS Outstanding balance at December 31 Average interest rate at December 31 Average balance during the year Average interest rate during the year Maximum month end balance during the year Total advances outstanding at year-end Interest rate Scheduled maturities of advances from the FHLB 2020 2021 2022 2023 2024 Total Loans pledged for advance from the Federal Home Loan Bank Amount of additional funds available to borrow from Federal Home Loan Bank based upon collateral Provision for Income Taxes Current federal income tax expense Deferred federal income tax expense/(benefit) Income tax expense Reconciliation of Income Tax Provision to Statutory Rate Income tax computed at statutory federal rate Tax exempt interest income Tax exempt earnings on bank-owned life insurance Tax credits Deferred tax adjustment related to reduction in U.S. federal statutory income income tax rate Nondeductible merger expenses Other items Effective income tax rate Deferred tax assets: Purchase accounting adjustments from merger with County Allowance for loan losses Alternative minimum tax credit carryforward Unrealized losses on securities available for sale Deferred compensation Other Total deferred tax assets Deferred tax liabilities: Purchase accounting adjustments from merger with County Depreciation Loan servicing rights Unrealized gains on securities available for sale Other Total deferred tax liabilities Net deferred tax (liability) Net deferred tax asset Statutory federal tax rate Additional income tax expense Loans Receivable to related parties [Roll Forward] Balance, beginning of year New loans Repayments Effect of changes in related parties Loans acquired from merger with County Bank Corp Balance, end of year Related party deposit liabilities Matching contributions to 401(k) plan cost Benefit expense Benefit obligation Description of benefit plan Interest rate on deferred director fees Number of options: Number of Options outstanding, beginning Options granted Options exercised Options forfeited or expired Number of Options outstanding, ending Number of Options exercisable Weighted Average Exercise Price: Weighted Average Exercise Price of Options outstanding, beginning Options granted Options exercised Options forfeited or expired Weighted Average Exercise Price of Options outstanding, ending Weighted Average Exercise Price of Options exercisable Number of Options outstanding, ending Number of Options exercisable Weighted average remaining contractual life of options outstanding and exercisable Risk-free interest rate Expected option life Expected stock price volatility Dividend yield Fair value of options granted per share Outstanding Stock Awards Shares Balance, beginning of year shares Granted Vested Forfeited Balance, end of year shares Weighted Average Grant Date Fair Value Per Share Balance, beginning of year Granted Vested Forfeited Balance, end of year Stock-based compensation expense Weighted Average Exercise Price of Options outstanding, ending Authorized number of awards Shares available for future grants Weighted average remaining contractual life of options outstanding and exercisable Intrinsic value outstanding Intrinsic value exercisable Numbers units outstanding Units outstanding, value Unrecognized compensation expense Basic Net income Weighted average common shares outstanding Basic earnings per common shares Diluted Net income Plus dilutive stock options and restricted stock units Weighted average common shares outstanding and potentially dilutive shares Diluted earnings per common share Dilutive stock options excluded in calculation of earnings per share Dividend rate Cash Equity securities at fair value Investment in Bank subsidiaries Other liabilities Shareholders' equity Total liabilities and shareholders' equity Interest and dividends from ChoiceOne Bank Interest and dividends from other securities Gains on sales of securities Total income Other expenses Income before income tax and equity in undistributed net income of subsidiaries Income tax (expense)/benefit Income before equity in undistributed net income of subsidiaries Equity in undistributed net income of subsidiaries Legal Entity [Axis] Cash flows from operating activities: Adjustments to reconcile net income to net cash from operating activities: Equity in undistributed net income of subsidiaries Compensation expense on employee and director stock purchases, stock options, and restricted stock units Net gain on sale of securities Change in market value of equity securities Changes in other assets Changes in other liabilities Cash flows from investing activities: Sales of securities Purchases of securities Cash acquired from merger with County Bank Corp Cash flows from financing activities: Cash used as part of equity issuance for merger Net change in cash Beginning cash Ending cash Fair Value, by Balance Sheet Grouping [Table] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value Hierarchy and NAV [Axis] Assets Cash and due from banks Equity securities at fair value Federal Home Loan Bank and Federal Reserve Bank stock Loans held for sale Loans, net Accrued interest receivable Liabilities Noninterest-bearing deposits Interest-bearing deposits Federal funds purchased Federal Home Loan Bank advances Accrued interest payable Fair Value, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Foreign Debt [Member] Changes in Level 3 Investment Securities, Available for Sale Measured at Fair Value on a Recurring Basis Balance at the beginning of year Reclassification due to implementation of ASU 2016-01 Total realized and unrealized gains included in noninterest income Total unrealized gains/(losses) included in other comprehensive income Net purchases, sales, calls, and maturities Net transfers into Level 3 Acquired from merger with County Bank Corp Balance at the end of year Impaired Loans Other real estate owned, net Total unrealized gains (losses) included in other comprehensive income Level 3 securities purchased during period Level 3 securities totaling Unused lines of credit and letters of credit - fixed rate Unused lines of credit and letters of credit - variable rate Commitments to fund loans (at market rates) - fixed rate Commitments to fund loans (at market rates) - variable rate Interest rate of commitments Term of commitments Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Total Capital Total Capital Total Capital (to risk-weighted assets) ratio Minimum amount of capital for adequacy purposes Minimum amount of capital for adequacy purposes, ratio Minimum Capital required to be well-capitalized Minimum Capital required to be well-capitalized, ratio Common equity Tier 1 capital (to risk weighted assets) Common equity Capital Common equity Capital ratio Minimum amount of Common equity Capital for adequacy purposes Minimum amount of Common equity Capital for adequacy purposes, ratio Minimum Common equity Capital required to be well-capitalized Minimum Common equity Capital required to be well-capitalized, ratio Tier 1 Capital (to risk-weighted assets) Tier 1 Capital Tier 1 Capital (to risk-weighted assets) ratio Minimum amount of Tier 1 Capital for adequacy purposes Minimum amount of Tier 1 Capital for adequacy purposes, ratio Minimum Tier 1 Capital required to be well-capitalized Minimum Tier 1 Capital required to be well-capitalized, ratio Tier 1 Leverage Capital (to average assets) Tier 1 Capital Tier 1 Capital (to average assets) ratio Minimum amount of Tier 1 Capital for adequacy purposes Minimum amount of Tier 1 Capital for adequacy purposes, ratio Minimum Tier 1 Capital required to be well-capitalized Minimum Tier 1 Capital required to be well-capitalized, ratio Amount of undistributed net income available for dividends Purchase Price: Consideration Net assets acquired: Cash and cash equivalents Equity securities at fair value Securities available for sale Federal Home Loan Bank and Federal Reserve Bank stock Loans to other financial institutions Originated loans Premises and equipment Other real estate owned Deposit based intangible Bank owned life insurance Other assets Total assets Non-interest bearing deposits Interest bearing deposits Total deposits Federal funds purchased Advances from Federal Home Loan Bank Other liabilities Total liabilities Net assets acquired Goodwill Net interest income Noninterest income Noninterest expense Net income Net income per diluted share Description of acquired entity Total assets Total loans Total deposits Stock issued during acquisitions, shares Stock issued during acquisitions, value Total liabilities Acquisition costs related to merger Acquisition costs merger amounted expensed Acquisition costs netted with stock issuance costs Earnings Interest Income Net Interest Income Net Income Basic Earnings Per Share Fully Diluted Earnings Per Share Stock dividend paid Member stands for federal home loan bank advances. Member stands for federal home loan bank advances. Member stands for federal home loan bank advances. Information pertaining to Agricultural and Residential Real Estate Loans Receivable. The amount of low income housing tax credits. Amount refer to income tax reconciliation nondeductible expense nondeductible merger expenses. For an unclassified balance sheet, reflects the carrying amount of increase decrease in unpaid loan amounts due from related parties at the balance sheet date. Amount represent the loans acquired from merger with acquisition related party. The calculated average balance during the year. The calculated average interest rate paid during the year. The maximum month end balance of securities sold under repurchase agreements. Refers to the information relating to interest bearing domestic deposit brokered certificates of deposits. Amount of time deposit liabilities, including certificates of deposit, in denominations of $250,000 or more. Certificates of deposit issued through the Certificate of Deposit Account Registry Service (CDARS). Amount refers to the interest bearing domestic deposit brokered certificates of deposits. Plan that provides pension benefits in return for services rendered, provides an individual account for each participant, and specifies how contributions to the individual's account are to be determined instead of specifying the amount of benefits the individual is to receive. This member stand for defined contribution pension. The interest rate on director fees. Number of share options (or share units) exercised after stock dividend during the current period. Weighted average price at which option holders acquired shares when converting their stock options into shares. Information by range of option prices pertaining to options granted. Information by range of option prices pertaining to options granted. Information by range of option prices pertaining to options granted. It represents excercise price. Information by range of option prices pertaining to options granted. It represents equity securities at fair value. Investments (at equity) in subsidiaries and affiliates of a parent company. Interest income and devidends received from subsidiaries. Equity in undistributed income of subsidiaries for the parent during the period. The amount related to loans to other financial institutions. Fair value portion of accrued interest receivable. Fair value portion of accrued interest payable. It represents trust preferred securities member. Amount of reclassification due to implementation of ASU 2016-01 of financial instrument classified as an asset into level 3 of the fair value hierarchy. fair Value measurement with unobservable inputs reconciliation recurring basis asset acquired from merger with county bank corp. This item represents the aggregate fair value of impaired loans consisting of non-homogeneous loans that are considered impaired. Reflects the amount of cash required to fund unused lines and letters of credt at stated interest rates. Reflects the amount of cash required to fund unused lines and letters of credt at variable interest rates. The interest rate for commitments to extend credit. The maturity term of commitments to extend credit. This member stand for subsidiaries. Tier 1 Common Capital as defined in the regulations. Also called Core Capital. Tier 1 Common Capital divided by average assets as defined in the regulations. The minimum amount of Tier 1 Common Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. The minimum amount of Tier 1 Common Capital for capital adequacy purposes divided by average assets as defined in the regulations. The amount of Tier 1 Common Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action. The amount of Tier 1 Common Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action. The stock dividend paid, represented as a percentage. Amount of investment in mortgage loan on commercial real estate. Percentage of stock dividend issued. Amount refers to the time deposits in other financial institutions. Represents information related to core deposit intangible. The amount of revenue from customer services charges and fees. It represents value of earnings on bank-owned life insurance. It represents value of earnings on death benefit from bank-owned life insurance. Represents information related to cash received from merger with county bank corp. It represents value of net change in federal funds purchased. Represents information related to cash related to equity issuance for merger. Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) tax. The recognized net gain (loss) on securities sold during the reporting period. Information pertaining to Agricultural Loans Receivable. Portfolio segment of the company's total financing receivables related to commercial and industrial financing receivable. Loans Transferred to Other Real Estate These loans are considered pass credits. They exhibit acceptable credit risk and demonstrate the ability to repay the loan from normal business operations. These loans are considered pass credits. However, they have potential developing weaknesses that, if not corrected, may cause deterioration in the ability of the borrower to repay the loan. While a loss is possible for a loan with this rating, it is not anticipated. The member represent non accrual. It represents construction real estate member. Income from servicing real estate mortgages held by others, net of amortization. The amount of servicing asset at amortized value acquired from merger. The member represent lakestone bank and trust. The value of mortgage loans serviced for others which are accordingly not recorded on the company's consolidated balance sheet. The member represent country bank corp. The amount of business combination recognized identifiable assets acquired and liabilities assumed deposit based intangible. The member represent valley ridge financial corp. The amount of financial assets (as defined) recognized as of the securities available for sale. The amount of financial assets (as defined) recognized as of the federal home loan bank and federal reserve bank stock. The amount of financial assets (as defined) recognized as of the loans to other financial institutions. The amount of financial assets (as defined) recognized as of the originated loans. The amount of financial assets (as defined) recognized as of the other real estate owned. The amount of financial assets (as defined) recognized as bank owned life insurance. The amount of financial assets (as defined) recognized as non-interest bearing deposits. The amount of liability arising from interest bearing deposits. The amount of liability arising from total deposits. The amount of liability arising from federal funds purchased. The amount of liability arising from advances from federal home loan bank. The pro forma net interest income for the period as if the business combination or combinations had been completed at the beginning of a period. The pro forma noninterest income for the period as if the business combination or combinations had been completed at the beginning of a period. The pro forma noninterest expense for the period as if the business combination or combinations had been completed at the beginning of a period. Represents member related to fractional stock. Represents member related to community shores bank corp. The amount of financial assets (as defined) recognized as total loans. The amount repesents acquisition costs merger amounted expensed.. The amount represent acquisition costs netted with stock issuance costs. Represents acquired impaired member. Represents acquired nonimpaired member. Represenst amount related to loans acquired contractual payments. Represents amount related to nonaccretable difference. Represents amount relaetd to expected cash flows. The entire disclosdure for mortgage banking. Disclosure of accounting policy for bank owned life insurance. The company's policy for accounting of Loan Servicing Rights. The policy regarding dividend restrictions. Tabular disclosure of activity in secondary market loans. Tabular disclosure of activity in other real estate owned. Tabular disclosure of components of deposit liabilities. Schedule of maturity of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Tabular disclosure of the maturities of Federal Home Loan Bank (FHLB) advances. Tabular disclosure of contractual amount of financial instruments with off-balance sheet risk. Amount before allocation of valuation allowances of deferred tax asset attributable to purchase accounting adjustments. Amount of deferred tax liability attributable to purchase accounting adjustments. Effect Of Stock Options Granted LakestoneBankAndTrustMember DefinedContributionPension2Member Cash and Cash Equivalents, at Carrying Value Loans and Leases Receivable, Allowance Assets [Default Label] Deposits [Default Label] Liabilities [Default Label] Interest Expense, Federal Funds Purchased and Securities Sold under Agreements to Repurchase Interest Expense Interest Income (Expense), after Provision for Loan Loss Noninterest Income, Other Noninterest Income Other Noninterest Expense Noninterest Expense Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Comprehensive Income (Loss), Net of Tax, Attributable to Parent Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent Stock Repurchased During Period, Value Stock Repurchased During Period, Shares Stock Issued During Period, Value, Stock Dividend Dividends, Common Stock, Cash Increase (Decrease) in Other Operating Assets Net Cash Provided by (Used in) Operating Activities Payments to Acquire Available-for-sale Securities Payments for (Proceeds from) Federal Home Loan Bank Stock Payments for (Proceeds from) Loans and Leases Payments to Acquire Property, Plant, and Equipment Net Cash Provided by (Used in) Investing Activities Payments for FHLBank Advance, Investing Activities Payments for Repurchase of Common Stock Payments of Dividends Net Cash Provided by (Used in) Financing Activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Deposit Liabilities Disclosures [Text Block] Regulatory Capital Requirements under Banking Regulations [Text Block] Marketable Securities, Policy [Policy Text Block] Property, Plant and Equipment, Policy [Policy Text Block] Real Estate Owned, Valuation Allowance, Policy [Policy Text Block] Postemployment Benefit Plans, Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Effect Of Stock Options Granted [Default Label] Equity Securities, FV-NI, Unrealized Loss Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Debt Securities, Available-for-sale, Amortized Cost Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value Debt Securities, Available-for-sale Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion Financing Receivable, Allowance for Credit Loss, Writeoff Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment Financing Receivable, Individually Evaluated for Impairment Financing Receivable, Collectively Evaluated for Impairment Financing Receivable, after Allowance for Credit Loss Servicing Asset at Amortized Cost Servicing Asset at Amortized Cost, Amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Lessee, Operating Lease, Liability, Payments, Due Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Finite-Lived Intangible Assets, Amortization Expense, Year Two Finite-Lived Intangible Assets, Amortization Expense, Year Three Finite-Lived Intangible Assets, Amortization Expense, Year Four Finite-Lived Intangible Assets, Amortization Expense, Year Five Finite-Lived Intangible Assets, Amortization Expense, after Year Five Finite-Lived Intangible Assets, Net Proceeds from Sale of Other Real Estate Time Deposit Maturities, Next Twelve Months Time Deposit Maturities, Year Two Time Deposit Maturities, Year Three Time Deposit Maturities, Year Four Time Deposit Maturities, Year Five Time Deposit Maturities, after Year Five Time Deposits InterestBearingDomesticDepositBrokeredCertificatesOfDeposits1 Securities Sold under Agreements to Repurchase Assets Sold under Agreements to Repurchase, Interest Rate MaximumMonthEndBalance Federal Home Loan Bank, Advances, Maturities Summary, Due in Next Twelve Months Federal Home Loan Bank, Advances, Maturities Summary, Due in Year Two Federal Home Loan Bank, Advances, Maturities Summary, Due in Year Three Federal Home Loan Bank, Advances, Maturities Summary, Due in Year Four Federal Home Loan Bank, Advances, Maturities Summary, Due in Year Five Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount Effective Income Tax Rate Reconciliation, Deduction, Other, Amount Deferred Tax Assets, Other Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Liabilities Purchase Accounting Adjustments Deferred Tax Liabilities, Property, Plant and Equipment Deferred Tax Liabilities, Other Deferred Tax Liabilities, Gross Deferred Tax Liabilities, Net Deferred Tax Assets, Net Loans and Leases Receivable, Related Parties Loans and Leases Receivable, Related Parties, Proceeds Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePriceAfterStockDividend Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Diluted Weighted Average Number of Shares Outstanding, Diluted Operating Income (Loss) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Income (Loss) from Subsidiaries, Net of Tax Restricted Stock or Unit Expense Payments for Merger Related Costs Cash and Cash Equivalents, Fair Value Disclosure Loans Held-for-sale, Fair Value Disclosure Loans Receivable, Fair Value Disclosure Federal Funds Purchased, Fair Value Disclosure Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAcquiredFromMergerWithCountyBankCorp Repurchase Agreements [Default Label] Interest rate of commitments Capital Tier One Leverage Capital Tier One Leverage Capital Required for Capital Adequacy Tier One Leverage Capital Required for Capital Adequacy to Average Assets Tier One Leverage Capital Required to be Well Capitalized Tier One Leverage Capital Required to be Well Capitalized to Average Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalHomeLoanBankAndFederalReserveBankStock BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansToOtherFinancialInstitutions Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalFundsPurchased BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAdvancesFromFederalHomeLoanBank Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other BusinessAcquisitionsProFormaNoninterestIncome BusinessAcquisitionsProFormaNoninterestExpense Business Acquisition, Pro Forma Net Income (Loss)