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Allowance for Loan Losses - Allowance and Loans by Impairment Methodology (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Allowance balance attributable to loans:
Individually evaluated for impairment	$ 891	$ 879
Collectively evaluated for impairment	38,142	38,277
Total allowance	39,033	39,156	$ 33,298	$ 32,873
Loans:
Individually evaluated for impairment	5,658	6,278
Collectively evaluated for impairment	1,373,500	1,339,769
Acquired loans - PCI	5,878	6,359
Total loans	1,385,036	1,352,406
Real estate - residential mortgage
Allowance balance attributable to loans:
Individually evaluated for impairment	69	77
Collectively evaluated for impairment	2,824	2,837
Total allowance	2,893	2,914	2,140	2,080
Loans:
Individually evaluated for impairment	1,640	2,210
Collectively evaluated for impairment	214,366	214,615
Acquired loans - PCI	914	1,473
Total loans	216,920	218,298
Real estate - construction
Allowance balance attributable to loans:
Collectively evaluated for impairment	822	975
Total allowance	822	975	771	681
Loans:
Collectively evaluated for impairment	52,884	62,147
Total loans	52,884	62,147
Commercial, financial and agricultural
Allowance balance attributable to loans:
Individually evaluated for impairment	720	674
Collectively evaluated for impairment	10,287	10,022
Total allowance	11,007	10,696	7,935	7,121
Loans:
Individually evaluated for impairment	3,803	3,825
Collectively evaluated for impairment	733,305	691,632
Acquired loans - PCI	4,872	4,758
Total loans	741,980	700,215
Equity lines
Allowance balance attributable to loans:
Collectively evaluated for impairment	671	687
Total allowance	671	687	770	733
Loans:
Individually evaluated for impairment	110	111
Collectively evaluated for impairment	46,816	48,275
Acquired loans - PCI	50	80
Total loans	46,976	48,466
Consumer
Allowance balance attributable to loans:
Individually evaluated for impairment	102	128
Collectively evaluated for impairment	175	243
Total allowance	277	371	416	465
Loans:
Individually evaluated for impairment	105	132
Collectively evaluated for impairment	8,985	10,848
Acquired loans - PCI	42	48
Total loans	9,132	11,028
Consumer finance
Allowance balance attributable to loans:
Collectively evaluated for impairment	23,363	23,513
Total allowance	23,363	23,513	$ 21,266	$ 21,793
Loans:
Collectively evaluated for impairment	317,144	312,252
Total loans	$ 317,144	$ 312,252

X

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The balance of financing receivables that were acquired loans.

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

+ References

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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