Allowance for Loan Losses - Allowance and Loans by Impairment Methodology (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Allowance balance attributable to loans:
Individually evaluated for impairment	$ 879	$ 267
Collectively evaluated for impairment	38,277	32,606
Total allowance	39,156	32,873	$ 34,023	$ 35,726
Loans:
Individually evaluated for impairment	6,278	5,274
Collectively evaluated for impairment	1,339,769	1,109,212
Acquired loans - PCI	6,359	705
Total loans	1,352,406	1,115,191
Real estate - residential mortgage
Allowance balance attributable to loans:
Individually evaluated for impairment	77	72
Collectively evaluated for impairment	2,837	2,008
Total allowance	2,914	2,080	2,246	2,371
Loans:
Individually evaluated for impairment	2,210	3,671
Collectively evaluated for impairment	214,615	177,517
Acquired loans - PCI	1,473	107
Total loans	218,298	181,295
Real estate - construction
Allowance balance attributable to loans:
Collectively evaluated for impairment	975	681
Total allowance	975	681	727	605
Loans:
Collectively evaluated for impairment	62,147	54,246
Total loans	62,147	54,246
Commercial, financial and agricultural
Allowance balance attributable to loans:
Individually evaluated for impairment	674	77
Collectively evaluated for impairment	10,022	7,044
Total allowance	10,696	7,121	6,688	7,478
Loans:
Individually evaluated for impairment	3,825	1,451
Collectively evaluated for impairment	691,632	498,798
Acquired loans - PCI	4,758	563
Total loans	700,215	500,812
Equity lines
Allowance balance attributable to loans:
Collectively evaluated for impairment	687	733
Total allowance	687	733	1,106	688
Loans:
Individually evaluated for impairment	111	31
Collectively evaluated for impairment	48,275	52,017
Acquired loans - PCI	80	35
Total loans	48,466	52,083
Consumer
Allowance balance attributable to loans:
Individually evaluated for impairment	128	118
Collectively evaluated for impairment	243	347
Total allowance	371	465	257	231
Loans:
Individually evaluated for impairment	132	121
Collectively evaluated for impairment	10,848	13,635
Acquired loans - PCI	48
Total loans	11,028	13,756
Consumer finance
Allowance balance attributable to loans:
Collectively evaluated for impairment	23,513	21,793
Total allowance	23,513	21,793	$ 22,999	$ 24,353
Loans:
Collectively evaluated for impairment	312,252	312,999
Total loans	$ 312,252	$ 312,999

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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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