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Loans and Allowance for Credit Losses - Loans Restructured as TDRs, Excluding Loans Acquired, Segregated by Class of Loans (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) loan | Dec. 31, 2021 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of loan modifications | loan | 4 | 4
Balance Prior to TDR | $ 760,000 | $ 1,058,000
Financial Impact on Date of Restructure |  | $ 5,129
Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of loan modifications | loan | 4 | 4
Balance Prior to TDR | $ 760,000 | $ 1,058,000
Balance | 730,000 | 963,000
Financial Impact on Date of Restructure | 0 | 0
Real Estate | Change in Maturity Date |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | 0 | 0
Real Estate | Change in Rate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | $ 730,000 | $ 963,000
Real Estate | Single family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of loan modifications | loan | 4 | 3
Balance Prior to TDR | $ 760,000 | $ 274,000
Balance | 730,000 | 197,000
Financial Impact on Date of Restructure | 0 | 0
Real Estate | Single family residential | Change in Maturity Date |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | 0 | 0
Real Estate | Single family residential | Change in Rate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | $ 730,000 | $ 197,000
Real Estate | Other commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of loan modifications | loan | 0 | 1
Balance Prior to TDR | $ 0 | $ 784,000
Balance | 0 | 766,000
Financial Impact on Date of Restructure | 0 | 0
Real Estate | Other commercial | Change in Maturity Date |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | 0 | 0
Real Estate | Other commercial | Change in Rate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Balance | $ 0 | $ 766,000

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
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