XML 42 R33.htm IDEA: XBRL DOCUMENT v3.22.1

Summary of Significant Accounting Policies - Nature of Operations and Business Combination (Details)	Mar. 31, 2022 subsidiary
C&F Bank
Nature of Operations
Number of wholly owned subsidiaries	5
C&F Mortgage | C&F Select LLC
Nature of Operations
Interest owned (as a percent)	51.00%

X

- Definition

The number of subsidiaries owned by the company.

+ References

No definition available.

+ Details

Name:	cffi_NumberOfWhollyOwnedSubsidiaries
Namespace Prefix:	cffi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- 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

No definition available.

+ Details

Name:	us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	dei_LegalEntityAxis=cffi_CAndFBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=cffi_CFMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_OwnershipAxis=cffi_CFSelectLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: