Regulatory Requirements and Restrictions - New minimum capital ratios (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2023	Dec. 31, 2023
Regulatory requirements
Capital conservation buffer requirement		2.50%
2030 Subordinated Notes \| Subordinated Notes
Regulatory requirements
Corporation repaid	$ 4,000
C&F Bank
Regulatory requirements
Capital conservation buffer requirement		7.00%
Total capital conservation buffer exceeded		10.50%
Tier 1 capital conservation buffer exceeded		8.50%

CET1 capital conservation buffer exceeded.

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- Definition

The capital conservation buffer is designed to ensure that capital buffers are built up outside periods of stress which can be drawn down as losses are incurred.

+ References

No definition available.

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- Definition

Total capital conservation buffer exceeded.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480696/942-505-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480696/942-505-50-1

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- Definition

The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets before its maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

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