XML 55 R46.htm IDEA: XBRL DOCUMENT
v3.22.1

Loans - Troubled Debt Restructurings (Details) | 3 Months Ended
--- | ---
Mar. 31, 2022 USD ($) loan | Mar. 31, 2021 USD ($) loan
Loan modifications classified as troubled debt restructurings |  |
Number of Loans | 0 |
TDR payment default period | 12 months |
Period determining when a past due TDR becomes a subsequent default | 90 days |
Recorded Investment, TDR payment defaults | $ | $ 0 | $ 0
Real Estate Residential Mortgage |  |
Loan modifications classified as troubled debt restructurings |  |
Number of Loans |  | 1

X
- Definition The period of time after the original troubled debt modification within which a subsequent default is defined to occur if a full or partial charge-off occurs. + References No definition available. + Details
Name: | cffi_FinancingReceivableModificationsSubsequentDefaultDefinitionPeriodOfTimeAfterOriginalModification
Namespace Prefix: | cffi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period of time after the restructured troubled debt becomes past due used to define a subsequent default. + References No definition available. + Details
Name: | cffi_FinancingReceivableModificationsSubsequentDefaultDefinitionPeriodOfTimeAfterTdrBecomesPastDue
Namespace Prefix: | cffi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |