Derivative Financial Instruments (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2019	Dec. 31, 2018
Derivatives and other information
Changes in fair value of interest rate swaps	$ 0
Interest rate swaps on loans \| Cash flow hedges
Derivatives and other information
Notional amount	25,000	$ 25,000
Assets		289
Liabilities	592
Matched interest rate swap with borrower \| Not designated as hedges
Derivatives and other information
Notional amount	66,305	45,961
Assets	3,484	216
Liabilities		1,391
Matched interest rate swap with counterparty \| Not designated as hedges
Derivatives and other information
Notional amount	66,305	45,961
Assets		1,391
Liabilities	3,484	216
IRLC \| Not designated as hedges
Derivatives and other information
Notional amount	116,927	44,324
Assets	1,760	$ 636
Forward sales of TBA securities \| Not designated as hedges
Derivatives and other information
Notional amount	23,250
Liabilities	56
C&F Mortgage
Derivatives and other information
IRLCs	95,990
C&F Mortgage \| Best-efforts forward sales contracts
Derivatives and other information
Mortgage loans held for sale	84,220
C&F Mortgage \| Mandatory-delivery forward sales contracts
Derivatives and other information
Mortgage loans held for sale	$ 5,440

The fair value of interest rate lock commitments.

No definition available.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
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-Publisher FASB
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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

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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- Definition

Amount of unrealized gain (loss) related to the fair value of interest rate derivatives designated as fair value hedging instruments, as offset by the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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- Definition

Fair value portion of mortgage loans held-for-sale.

+ References

No definition available.

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