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Loans - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($) loan payment | Dec. 31, 2021 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Paycheck protection program | $ 217,000 | $ 25,800,000
Deferred loan costs | $ 22,700,000 | (15,800,000)
Period of loan sold | 30 days |
Minimum period seldom held | 90 days |
Mortgage warehousing maximum pay off period | 30 days |
Nonaccrual interest income | $ 0 | 0
Non-accrual loans | 17,630,000 | 14,962,000
Non-performing TDRs | 1,500,000 | 1,500,000
TDR loans | $ 1,548,000 | 1,521,000
Restructured loan returned to accruing status number of Consecutive Payments of loan | payment | 6 |
Restructured loan reported in TDRs | $ 4,118,000 | 3,912,000
Specific reserves allocated to troubled debt restructuring | 0 |
Minimum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans with an aggregate credit exposure | $ 3,000,000 |
Loans classified as TDR after a period | 90 days |
Minimum | Good Pass |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of consecutive years of profit for Good Pass Rating | 3 years |
Number of consecutive years of profit Unaudited Financial Information for Good Pass Rating | 5 years |
Number of years of Satisfactory Relationship with bank for Good Pass Rating | 5 years |
Maximum |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans with an aggregate credit exposure | $ 6,000,000 |
Loans classified as TDR after a period | 120 days |
Maximum | Satisfactory Pass |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Minimum number of years of Satisfactory Repayment required for Satisfactory Pass Rating | 2 years |
CARES Act |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Restructured loan reported in TDRs | $ 34,000 | 10,900,000
Performing |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Restructured loan reported in TDRs | $ 2,600,000 | $ 2,400,000
Number TDRs returned to accrual status | loan | 4 | 5
Loans Purchased With Evidence of Credit Deterioration |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Non-accrual loans | $ 1,500,000 | $ 2,200,000
Non-performing TDRs | $ 105,000 | $ 290,000

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