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Allowance for Credit Losses - Change in Allowance for Loan Losses (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($)
Allowance balance attributable to loans:
Beginning balance	$ 40,157
Provision charged to operations	(328)
Loans charged off	(1,372)
Recoveries of loans previously charged off	1,311
Ending balance	39,768
Residential mortgage
Allowance balance attributable to loans:
Beginning balance	2,660
Provision charged to operations	(38)
Recoveries of loans previously charged off	6
Ending balance	2,628
Real Estate Construction
Allowance balance attributable to loans:
Beginning balance	856
Provision charged to operations	37
Ending balance	893
Commercial, Financial & Agricultural
Allowance balance attributable to loans:
Beginning balance	11,085
Provision charged to operations	(636)
Loans charged off	(11)
Recoveries of loans previously charged off	2
Ending balance	10,440
Equity lines
Allowance balance attributable to loans:
Beginning balance	593
Provision charged to operations	(49)
Ending balance	544
Consumer
Allowance balance attributable to loans:
Beginning balance	172
Provision charged to operations	8
Loans charged off	(48)
Recoveries of loans previously charged off	32
Ending balance	164
Consumer finance
Allowance balance attributable to loans:
Beginning balance	24,791
Provision charged to operations	350
Loans charged off	(1,313)
Recoveries of loans previously charged off	1,271
Ending balance	$ 25,099

X

- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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X

- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (d)
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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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