Allowance for Loan Losses - Allowance and Loans by Impairment Methodology (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Allowance balance attributable to loans:
Individually evaluated for impairment	$ 417	$ 879
Collectively evaluated for impairment	39,030	38,277
Total allowance	39,447	39,156	$ 38,856	$ 32,873
Loans:
Individually evaluated for impairment	5,180	6,278
Collectively evaluated for impairment	1,380,391	1,339,769
Acquired loans - PCI	5,440	6,359
Total loans	1,391,011	1,352,406
Real estate - residential mortgage
Allowance balance attributable to loans:
Individually evaluated for impairment	68	77
Collectively evaluated for impairment	2,766	2,837
Total allowance	2,834	2,914	2,487	2,080
Loans:
Individually evaluated for impairment	1,444	2,210
Collectively evaluated for impairment	212,868	214,615
Acquired loans - PCI	854	1,473
Total loans	215,166	218,298
Real estate - construction
Allowance balance attributable to loans:
Collectively evaluated for impairment	792	975
Total allowance	792	975	913	681
Loans:
Collectively evaluated for impairment	53,845	62,147
Total loans	53,845	62,147
Commercial, financial and agricultural
Allowance balance attributable to loans:
Individually evaluated for impairment	349	674
Collectively evaluated for impairment	10,771	10,022
Total allowance	11,120	10,696	10,552	7,121
Loans:
Individually evaluated for impairment	3,628	3,825
Collectively evaluated for impairment	713,686	691,632
Acquired loans - PCI	4,510	4,758
Total loans	721,824	700,215
Equity lines
Allowance balance attributable to loans:
Collectively evaluated for impairment	598	687
Total allowance	598	687	655	733
Loans:
Individually evaluated for impairment	108	111
Collectively evaluated for impairment	42,738	48,275
Acquired loans - PCI	35	80
Total loans	42,881	48,466
Consumer
Allowance balance attributable to loans:
Individually evaluated for impairment		128
Collectively evaluated for impairment	176	243
Total allowance	176	371	389	465
Loans:
Individually evaluated for impairment		132
Collectively evaluated for impairment	8,124	10,848
Acquired loans - PCI	41	48
Total loans	8,165	11,028
Consumer finance
Allowance balance attributable to loans:
Collectively evaluated for impairment	23,927	23,513
Total allowance	23,927	23,513	$ 23,860	$ 21,793
Loans:
Collectively evaluated for impairment	349,130	312,252
Total loans	$ 349,130	$ 312,252

The balance of financing receivables that were acquired loans.

No definition available.

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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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- Definition

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

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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.

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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