Allowance for Loan Losses - Allowance and Loans by Impairment Methodology (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Allowance balance attributable to loans:
Individually evaluated for impairment	$ 655	$ 879
Collectively evaluated for impairment	39,502	38,277
Total allowance	40,157	39,156	$ 32,873	$ 34,023
Loans:
Individually evaluated for impairment	5,208	6,278
Collectively evaluated for impairment	1,401,197	1,339,769
Acquired loans - PCI	3,655	6,359
Total loans	1,410,060	1,352,406
Real Estate Residential Mortgage
Allowance balance attributable to loans:
Individually evaluated for impairment	63	77
Collectively evaluated for impairment	2,597	2,837
Total allowance	2,660	2,914	2,080	2,246
Loans:
Individually evaluated for impairment	1,585	2,210
Collectively evaluated for impairment	214,614	214,615
Acquired loans - PCI	817	1,473
Total loans	217,016	218,298
Real Estate Construction
Allowance balance attributable to loans:
Collectively evaluated for impairment	856	975
Total allowance	856	975	681	727
Loans:
Collectively evaluated for impairment	57,495	62,147
Total loans	57,495	62,147
Commercial, Financial & Agricultural
Allowance balance attributable to loans:
Individually evaluated for impairment	592	674
Collectively evaluated for impairment	10,493	10,022
Total allowance	11,085	10,696	7,121	6,688
Loans:
Individually evaluated for impairment	3,513	3,825
Collectively evaluated for impairment	711,464	691,632
Acquired loans - PCI	2,753	4,758
Total loans	717,730	700,215
Equity lines
Allowance balance attributable to loans:
Collectively evaluated for impairment	593	687
Total allowance	593	687	733	1,106
Loans:
Individually evaluated for impairment	110	111
Collectively evaluated for impairment	41,197	48,275
Acquired loans - PCI	38	80
Total loans	41,345	48,466
Consumer
Allowance balance attributable to loans:
Individually evaluated for impairment		128
Collectively evaluated for impairment	172	243
Total allowance	172	371	465	257
Loans:
Individually evaluated for impairment		132
Collectively evaluated for impairment	8,233	10,848
Acquired loans - PCI	47	48
Total loans	8,280	11,028
Consumer Finance
Allowance balance attributable to loans:
Collectively evaluated for impairment	24,791	23,513
Total allowance	24,791	23,513	$ 21,793	$ 22,999
Loans:
Collectively evaluated for impairment	368,194	312,252
Total loans	$ 368,194	$ 312,252

The balance of financing receivables that were acquired loans.

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- Definition

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

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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- Definition

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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