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Allowance for Credit Losses - Allowance and Loans by Impairment Methodology (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Allowance balance attributable to loans: |  |  |  |
Individually evaluated for impairment |  | $ 51 |  |
Collectively evaluated for impairment |  | 40,467 |  |
Total allowance | $ 40,248 | 40,518 | $ 40,880 | $ 40,157
Loans: |  |  |  |
Individually evaluated for impairment |  | 823 |  |
Collectively evaluated for impairment |  | 1,633,440 |  |
Acquired loans - PCI |  | 1,455 |  |
Total Loans |  | 1,635,718 |  |
Residential mortgage |  |  |  |
Allowance balance attributable to loans: |  |  |  |
Individually evaluated for impairment |  | 51 |  |
Collectively evaluated for impairment |  | 2,571 |  |
Total allowance |  | 2,622 | 2,670 | 2,660
Loans: |  |  |  |
Individually evaluated for impairment |  | 797 |  |
Collectively evaluated for impairment |  | 265,170 |  |
Acquired loans - PCI |  | 300 |  |
Total Loans |  | 266,267 |  |
Real Estate Construction |  |  |  |
Allowance balance attributable to loans: |  |  |  |
Collectively evaluated for impairment |  | 788 |  |
Total allowance |  | 788 | 794 | 856
Loans: |  |  |  |
Collectively evaluated for impairment |  | 59,675 |  |
Total Loans |  | 59,675 |  |
Commercial, Financial & Agricultural |  |  |  |
Allowance balance attributable to loans: |  |  |  |
Collectively evaluated for impairment |  | 10,431 |  |
Total allowance |  | 10,431 | 10,464 | 11,085
Loans: |  |  |  |
Collectively evaluated for impairment |  | 781,867 |  |
Acquired loans - PCI |  | 1,114 |  |
Total Loans |  | 782,981 |  |
Equity lines |  |  |  |
Allowance balance attributable to loans: |  |  |  |
Collectively evaluated for impairment |  | 497 |  |
Total allowance |  | 497 | 535 | 593
Loans: |  |  |  |
Individually evaluated for impairment |  | 26 |  |
Collectively evaluated for impairment |  | 43,259 |  |
Acquired loans - PCI |  | 15 |  |
Total Loans |  | 43,300 |  |
Consumer |  |  |  |
Allowance balance attributable to loans: |  |  |  |
Collectively evaluated for impairment |  | 211 |  |
Total allowance |  | 211 | 155 | 172
Loans: |  |  |  |
Collectively evaluated for impairment |  | 8,912 |  |
Acquired loans - PCI |  | 26 |  |
Total Loans |  | 8,938 |  |
Consumer finance |  |  |  |
Allowance balance attributable to loans: |  |  |  |
Collectively evaluated for impairment |  | 25,969 |  |
Total allowance | $ 24,389 | 25,969 | $ 26,262 | $ 24,791
Loans: |  |  |  |
Collectively evaluated for impairment |  | 474,557 |  |
Total Loans |  | $ 474,557 |  |

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
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