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Loans and Allowance for Credit Losses - Narrative (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) loan
Receivables [Abstract] |  |
Unearned income | $ 6,600,000 | $ 7,400,000
Purchase accounting fair value adjustments | 3,100,000 | $ 4,500,000
Number of contracts, modified, subsequent default | loan |  | 27
Financing receivable, modified, commitment to lend | $ 1,600,000 |
Threshold period of satisfactory performance for troubled debt restructuring to be restored to accruing status | 6 months |
Number of troubled debt restructuring loans returned to accruing status | loan |  | 1
Reclassified to accruing status |  | $ 200,000
Number of commitments to lend additional funds on TDRs | loan |  | 16
Commitments to lend additional funds on TDRs |  | $ 400,000
Financing receivable, modified, subsequent default |  | $ 0

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- Definition Amortized cost excluding accrued interest, of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 44 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-44 + Details
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