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Loans, Allowance for Credit Losses, and Asset Quality Information - Accrued Interest Receivable Written Off (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrued interest receivable written off | $ 156 | $ 132 | $ 324
Commercial, financial, and agricultural |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrued interest receivable written off | 123 | 8 | 102
Real estate, commercial | Real estate – construction, land development & other land loans |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrued interest receivable written off | 0 | 12 | 16
Real estate, commercial | Real estate mortgage – commercial and other |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrued interest receivable written off | 16 | 100 | 139
Real estate, mortgage | Real estate mortgage – residential (1-4 family) first mortgages |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrued interest receivable written off | 8 | 10 | 45
Real estate, mortgage | Real estate mortgage – home equity loans / lines of credit |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrued interest receivable written off | 9 | 2 | 20
Consumer loans |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrued interest receivable written off | $ 0 | $ 0 | $ 2

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- Definition Amount of writeoff of accrued interest on financing receivable recognized by reversing interest income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3D -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-3D + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC + Details
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