Cover [Abstract] Document Information [Table] Document Information [Line Items] Document Type Document Quarterly Report Document Period End Date Document Transition Report Securities Act File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Line Items] Parenthetical disclosures Assets [Abstract] Assets Cash and Due from Banks Cash and due from banks Interest-Bearing Deposits in Banks and Other Financial Institutions Interest-bearing deposits in other banks Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Total cash and cash equivalents Debt Securities, Available-for-Sale, Excluding Accrued Interest Securities-available for sale at fair value, amortized cost of $485,390 and $471,036, respectively Fair Value Fair Value Securities available for sale Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Loans held for sale, at fair value Total loans held for sale Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Loans, net of allowance for credit losses of $39,665 and $39,677, respectively Loans, net Total loans held for investment, net The amount of restricted stocks which include Federal Home Loan Bank (FHLB) stock and Community Bankers Bank (CBB) stock owned. Restricted Stocks Restricted stock, at cost Property, Plant and Equipment, Net Corporate premises and equipment, net Other Real Estate Other real estate owned, net Other real estate owned, net of valuation allowance of $0 and $215, respectively Interest Receivable Accrued interest receivable Goodwill Goodwill Finite-Lived Intangible Assets, Net Other intangible assets, net Bank Owned Life Insurance Bank-owned life insurance Deferred Income Tax Assets, Net Net deferred tax asset Other Assets Other assets Assets Total assets Total assets Liabilities [Abstract] Liabilities Deposits [Abstract] Deposits Noninterest-Bearing Deposit Liabilities, Domestic Noninterest-bearing demand deposits Interest-Bearing Deposit Liabilities, Domestic Savings, money market and interest-bearing demand deposits Time Deposits. Time deposits Deposits Total deposits Total deposits Short-Term Debt Short-term borrowings Amount of long-term borrowings. Includes, but not limited to FHLB borrowings, sub debt from acquiree and finance leases. Long-term Borrowings Long-term borrowings Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust Trust preferred capital notes Interest Payable Accrued interest payable Other Liabilities Other liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingent liabilities (Note 11) Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity Common Stock, Value, Issued Common stock ($1.00 par value, 8,000,000 shares authorized, 3,248,129 and 3,245,972 shares issued and outstanding, respectively, includes 100,480 and 100,578 of unvested shares, respectively) Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss, net Equity, Attributable to Parent Equity attributable to C&F Financial Corporation Equity, Attributable to Noncontrolling Interest Noncontrolling interest Equity, Including Portion Attributable to Noncontrolling Interest Balance, end of period Balance, beginning of the period Total equity Liabilities and Equity Total liabilities and equity Stock, Class of Stock [Table] Class of Stock [Line Items] Parenthetical information Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Available-for-sale securities, amortized cost Amortized Cost Aggregate amortized cost Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Less allowance for credit losses Ending balance Beginning balance Allowance for credit losses Real Estate Owned, Valuation Allowance Other real estate owned, valuation allowance Common Stock, Par or Stated Value Per Share Common stock par value (in dollars 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 Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Unvested, end of period (in shares) Unvested, beginning of period (in shares) Common stock, unvested shares CONSOLIDATED STATEMENTS OF INCOME Interest and Dividend Income, Operating [Abstract] Interest income Interest and Fee Income, Loans and Leases Interest and fees on loans Interest Income, Deposits with Financial Institutions Interest on interest-bearing deposits in other banks Interest and Dividend Income, Securities, by Security Type [Abstract] Interest and dividends on securities Interest Income, Securities, US Treasury and Other US Government U.S. treasury, government agencies and corporations Interest Income, Securities, Mortgage-Backed Mortgage-backed securities Tax exempt interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies. Interest Income, State and Municipal Obligations, Operating, Tax Exempt Tax-exempt obligations of states and political subdivisions Taxable interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies. Interest Income, State and Municipal Obligations, Operating, Taxable Taxable obligations of states and political subdivisions Other Interest and Dividend Income Corporate and other Interest and Dividend Income, Operating Total interest income Interest income Interest Expense, Operating [Abstract] Interest expense Interest Expense, NOW Accounts, Money Market Accounts, and Savings Deposits Savings and interest-bearing deposits Interest Expense, Time Deposits Time deposits Interest Expense, Borrowings Borrowings Interest Expense, Trust Preferred Securities Trust preferred capital notes Interest expense - Trust preferred capital notes Interest Expense, Operating Interest expense Total interest expense Interest Income (Expense), Operating Net interest income The amount of provision for credit losses. Provision For Credit Losses Provision for credit losses Total Interest Income (Expense), after Provision for Loan Loss Net interest income after provision for credit losses Noninterest Income [Abstract] Noninterest income Gain (Loss) on Sales of Loans, Net Gains on sales of loans Amount of noninterest income earned from interchange income. Noninterest Income, Interchange Income Interchange income Amount of noninterest income earned from service charges on deposit accounts. Noninterest Income, Service Charges on Deposit Accounts Service charges on deposit accounts Amount of non interest investment income in other equity interests. Non Interest Investment Income in Other Equity Interests Investment income from other equity interests Fees and Commissions, Mortgage Banking and Servicing Mortgage banking fee income Amount of noninterest income earned from wealth management services income, net. Noninterest Income, Wealth Management Services Income, Net Wealth management services income, net Amount of noninterest income earned from mortgage lender services income. Noninterest Income, Mortgage Lender Services Income Mortgage lender services income Amount of noninterest income earned from Other service charges and fees. Noninterest Income, Other Service Charges and Fees Other service charges and fees Amount of other noninterest income (loss) net. Other Noninterest Income (Loss), Net Other income, net Noninterest Income Total noninterest income Noninterest Expense [Abstract] Noninterest expenses Labor and Related Expense Salaries and employee benefits Occupancy, Net Occupancy Occupancy expense Information Technology and Data Processing Data processing Professional Fees Professional fees General Insurance Expense Insurance expense Marketing and Advertising Expense Marketing and advertising expenses Loan Processing Fee Loan processing and collection expenses Other Noninterest Expense Noninterest expenses - Other Total Other Noninterest Expense Total noninterest expenses Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before income taxes Income Tax Expense (Benefit) Income tax expense Income tax expense (benefit) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Net Income (Loss) Attributable to Noncontrolling Interest Less net income attributable to noncontrolling interest Net income attributable to C&F Financial Corporation Net income attributable to C&F Financial Corporation Earnings Per Share, Basic Net income per share - basic (in dollars per share) Earnings Per Share, Diluted Net income per share - diluted (in dollars per share) CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive (loss) income, net of tax: OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Securities available for sale Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Defined benefit plan Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Cash flow hedges Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) Other comprehensive (loss) income, net of tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Less comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to C&F Financial Corporation CONSOLIDATED STATEMENTS OF EQUITY Equity Components [Axis] Equity Component [Domain] Parent [Member] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid - In Capital Retained Earnings [Member] Retained Earnings AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Loss, Net Accumulated Other Comprehensive Income (Loss), Net Noncontrolling Interest [Member] Noncontrolling Interest Increase (Decrease) in Stockholders' Equity [Roll Forward] Change in stockholders' equity Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Comprehensive income: APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Share-based compensation Stock Issued During Period, Value, Restricted Stock Award, Gross Restricted stock vested Stock Issued During Period, Value, New Issues Common stock issued Stock Repurchased and Retired During Period, Value Common stock purchased Dividends, Common Stock, Cash Cash dividends declared Common Stock, Dividends, Per Share, Declared Cash dividends declared (in dollars per share) CONSOLIDATED STATEMENTS OF CASH FLOWS Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net income to net cash (used by) provided by operating activities: Amount of expense (income) related to accretion of adjustment to fair value of acquisition related assets and liabilities. Fair Value Adjustment, Accretion of Acquisition Related Fair Value Adjustments Accretion of certain acquisition-related discounts, net Share-Based Payment Arrangement, Noncash Expense Share-based compensation Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Accretion (Amortization) of Discounts and Premiums, Investments (Accretion of discounts) and amortization of premiums on securities, net Amount of adjustments to net income or loss related to deferred income taxes. Adjustments, Deferred Income Tax Expense (Benefit) Deferred income taxes Amount of provision for indemnifications. Provision For Indemnifications Reversal of provision for indemnifications Bank Owned Life Insurance Income Income from bank-owned life insurance Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Pension expense Net periodic benefit cost Proceeds from Sale, Loan, Held-for-Sale Proceeds from sales of loans held for sale Payment for Origination and Purchase, Loan, Held-for-Sale Origination of loans held for sale The net gain (loss) resulting from sales of loans held for sale. Gains (Losses) on Sales of Loans Held for Sale Gains on sales of loans held for sale Other Noncash Income (Expense) Other gains, net Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Change in other assets and liabilities: Increase (Decrease) in Accrued Interest Receivable, Net Accrued interest receivable Increase (Decrease) in Other Operating Assets Other assets Increase (Decrease) in Interest Payable, Net Accrued interest payable Increase (Decrease) in Other Operating Liabilities Other liabilities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash (used by) provided by operating activities Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Investing activities: Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale Proceeds from sales, maturities and calls of securities available for sale and payments on mortgage-backed securities Payments to Acquire Debt Securities, Available-for-Sale Purchases of securities available for sale Available for sale securities purchased The net cash flow from proceeds (purchases of) time deposits. Proceeds from (Purchases of) Time Deposits, Net Purchases of time deposits, net Proceeds from Collection of Loans Receivable Repayments on loans held for investment by non-bank affiliates Payments to Acquire Loans Receivable Purchases of loans held for investment by non-bank affiliates Net decrease (increase) in community banking loans held for investment. Net Decrease (Increase) in Community Banking Loans Held for Investment Net increase in community banking loans held for investment Payments to Acquire Property, Plant, and Equipment Purchases of corporate premises and equipment Payment for (Proceeds from) Other Investing Activity Other investing activities, net Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash used in investing activities Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Financing activities: The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances, excluding time deposits. Increase Decrease in Deposits Excluding Time Deposits Net increase (decrease) in demand, savings and money market deposits Increase (Decrease) in Time Deposits Net increase in time deposits The net cash inflow or (outflow) for the increase (decrease) in repurchase agreements and borrowings. Increase (Decrease) In Repurchase Agreements And Borrowings Net decrease in repurchase agreements and borrowings Payments for Repurchase of Common Stock Repurchases of common stock Payments of Dividends Cash dividends paid Proceeds from (Payment for) Other Financing Activity Other financing activities, net