Derivatives Financial Instruments (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2020	Dec. 31, 2019
Derivatives and other information
Changes in fair value of loan swaps	$ 0
Unpaid principal on mortgage loans held for sale	4,696	$ 5,511
Other assets
Derivatives and other information
Cash collateral	11,860	2,520
Forward sales of TBA securities \| Not designated as hedges
Derivatives and other information
Notional amount	15,250	24,000
Derivative Liability	52	25
Interest rate swaps on loans \| Cash flow hedges
Derivatives and other information
Notional amount	25,000	25,000
Derivative Liability	2,147	145
Matched interest rate swap with borrower \| Not designated as hedges
Derivatives and other information
Notional amount	85,028	74,266
Derivative Asset	9,355	2,454
Derivative Liability		8
Matched interest rate swap with counterparty \| Not designated as hedges
Derivatives and other information
Notional amount	85,028	74,266
Derivative Asset		8
Derivative Liability	9,355	2,454
IRLC \| Not designated as hedges
Derivatives and other information
Notional amount	317,783	75,073
Derivative Asset	5,942	1,083
Mortgage Banking
Derivatives and other information
IRLCs	10,400	11,720
Unpaid principal on mortgage loans held for sale	14,790	21,980
Mortgage Banking \| Best-efforts forward sales contracts
Derivatives and other information
IRLCs	307,390	63,350
Unpaid principal on mortgage loans held for sale	250,910	65,770
Mortgage loans		129,120
Mortgage Banking \| Forward sales of TBA securities
Derivatives and other information
Mortgage loans	15,250	24,000
Mortgage Banking \| Mandatory-delivery forward sales contracts
Derivatives and other information
Mortgage loans	7,890	$ 6,730
C&F Mortgage \| Best-efforts forward sales contracts
Derivatives and other information
Mortgage loans	$ 558,300

The fair value of interest rate lock commitments.

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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

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-Publisher FASB
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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

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- Definition

Fair value of securities pledged as collateral against derivative liabilities.

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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
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- Definition

Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

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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

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- Definition

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

+ References

No definition available.

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