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v3.25.2

Summary of Significant Accounting Policies - Nature of Operations and Subordinated Notes (Details) $ in Thousands |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 06, 2025 USD ($) | Sep. 30, 2025 | Jun. 30, 2025 USD ($) subsidiary
Nature of Operations and Subordinated Notes |  |  |
Repayments of long-term borrowings |  |  | $ 20,000
Subordinated Notes | The Notes |  |  |
Nature of Operations and Subordinated Notes |  |  |
Aggregate principal amount | $ 40,000 |  |
Fixed rate (as a percent) | 7.50% |  |
Term year | 5 years |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] | cffi:ThreeMonthSecuredOvernightFinancingRateMember |  |
Variable rate, basis spread (as a percent) | 3.885% |  |
Subordinated Notes | 2030 Subordinated Notes |  |  |
Nature of Operations and Subordinated Notes |  |  |
Fixed rate (as a percent) | 4.875% |  |
Repayments of long-term borrowings | $ 20,000 |  |
Repurchased price of outstanding principal amount | 100.00% |  |
Subordinated Notes | 2030 Subordinated Notes | Subsequent event |  |  |
Nature of Operations and Subordinated Notes |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  | cffi:ThreeMonthSecuredOvernightFinancingRateMember |
Variable rate, basis spread (as a percent) |  | 4.755% |
C&F Bank |  |  |
Nature of Operations and Subordinated Notes |  |  |
Number of wholly owned subsidiaries | subsidiary |  |  | 5
C&F Mortgage | C&F Select LLC |  |  |
Nature of Operations and Subordinated Notes |  |  |
Interest owned (as a percent) |  |  | 51.00%

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