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Loans and Allowance for Credit Losses - Restructured Loans that are Considered to be in Default (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) Contract | Dec. 31, 2021 USD ($) Contract
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | Contract | 0 | 2
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 244
Loans To Individuals [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | Contract | 0 | 1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 21
Commercial Loan [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | Contract | 0 | 1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 223
Automobiles | Loans To Individuals [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | Contract | 0 | 1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 21
Time and demand loans | Commercial Loan [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | Contract | 0 | 1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 223

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