Derivatives Financial Instruments (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Derivatives and other information
Changes in fair value of loan swaps	$ 0
Unpaid principal on mortgage loans held for sale	5,377	$ 6,420
Other assets
Derivatives and other information
Cash collateral	5,960	9,920
Forward sales of TBA securities \| Not designated as hedges
Derivatives and other information
Notional amount	16,500	8,000
Derivative Asset	45
Derivative Liability		47
Interest rate swaps on loans \| Cash flow hedges
Derivatives and other information
Notional amount	25,000	25,000
Derivative Liability	960	1,882
Matched interest rate swap with borrower \| Not designated as hedges
Derivatives and other information
Notional amount	83,819	84,753
Derivative Asset	4,794	8,185
Derivative Liability	167
Matched interest rate swap with counterparty \| Not designated as hedges
Derivatives and other information
Notional amount	83,819	84,753
Derivative Asset	167
Derivative Liability	4,794	8,185
IRLC \| Not designated as hedges
Derivatives and other information
Notional amount	148,144	198,632
Derivative Asset	2,875	4,582
Mortgage Banking
Derivatives and other information
IRLCs	12,130	7,670
Unpaid principal on mortgage loans held for sale	10,550	5,630
Mortgage Banking \| Best-efforts forward sales contracts
Derivatives and other information
IRLCs	136,010	190,960
Unpaid principal on mortgage loans held for sale	102,110	200,880
Mortgage loans		391,840
Mortgage Banking \| Forward sales of TBA securities
Derivatives and other information
Mortgage loans	16,500	8,000
Mortgage Banking \| Mandatory-delivery forward sales contracts
Derivatives and other information
Mortgage loans	5,340	$ 3,940
C&F Mortgage \| Best-efforts forward sales contracts
Derivatives and other information
Mortgage loans	$ 238,120

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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-Publisher FASB
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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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