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Loans and Allowance for Loan Losses - Troubled Debt Restructurings (Details) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 USD ($) borrower loan | Sep. 30, 2021 loan | Dec. 31, 2021 USD ($)
Details related to loans identified as Troubled Debt Restructurings (TDRs): |  |  |
Specific reserve allocations for TDR's | $ 0.4 |  | $ 0.5
Troubled debt restructuring loans | $ 12.2 |  | 12.6
Number of loans to defaulted borrowers | loan | 1,000,000 | 1,000,000 |
Acquisition, development and construction |  |  |
Details related to loans identified as Troubled Debt Restructurings (TDRs): |  |  |
Loans defaulted under the restructured terms | $ 0.1 |  |
Number of loans to defaulted borrowers | loan | 1 |  |
Number of borrower defaulted | borrower | 1 |  |
Accruing |  |  |
Details related to loans identified as Troubled Debt Restructurings (TDRs): |  |  |
Troubled debt restructuring loans | $ 4.2 |  | $ 4.5
Accruing | Portfolio Risk | Troubled Debt Restructured Loans |  |  |
Details related to loans identified as Troubled Debt Restructurings (TDRs): |  |  |
Percentage of total impaired loans | 16.00% |  | 21.00%

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