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Allowance for Loan Losses - Change in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Allowance balance attributable to loans:
Balance at the beginning of period	$ 39,156	$ 32,873
Provision (credited) charged to operations	110	9,550
Loans charged off	(3,571)	(7,206)
Recoveries of loans previously charged off	3,752	3,639
Balance at the end of period	39,447	38,856
Real estate - residential mortgage
Allowance balance attributable to loans:
Balance at the beginning of period	2,914	2,080
Provision (credited) charged to operations	(99)	337
Loans charged off		(9)
Recoveries of loans previously charged off	19	79
Balance at the end of period	2,834	2,487
Real estate - construction
Allowance balance attributable to loans:
Balance at the beginning of period	975	681
Provision (credited) charged to operations	(183)	232
Balance at the end of period	792	913
Commercial, financial and agricultural
Allowance balance attributable to loans:
Balance at the beginning of period	10,696	7,121
Provision (credited) charged to operations	422	3,446
Loans charged off		(18)
Recoveries of loans previously charged off	2	3
Balance at the end of period	11,120	10,552
Equity lines
Allowance balance attributable to loans:
Balance at the beginning of period	687	733
Provision (credited) charged to operations	(90)	(78)
Recoveries of loans previously charged off	1
Balance at the end of period	598	655
Consumer
Allowance balance attributable to loans:
Balance at the beginning of period	371	465
Provision (credited) charged to operations	(160)	(37)
Loans charged off	(128)	(174)
Recoveries of loans previously charged off	93	135
Balance at the end of period	176	389
Consumer finance
Allowance balance attributable to loans:
Balance at the beginning of period	23,513	21,793
Provision (credited) charged to operations	220	5,650
Loans charged off	(3,443)	(7,005)
Recoveries of loans previously charged off	3,637	3,422
Balance at the end of period	$ 23,927	$ 23,860

X

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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

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