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Loans Receivable and Allowance for Credit Losses - Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: average recorded investment | $ 4,175 | $ 10,980 | $ 4,969 | $ 10,808 |
With no related allowance recorded: interest income recognized | 97 | 27 | 212 | 123 |
With a related allowance recorded: average recorded investment | 15,827 | 10,979 | 19,175 | 12,208 |
With a related allowance recorded: interest income recognized | 55 | 13 | 184 | 125 |
Impaired loans, average recorded investment | 20,002 | 21,959 | 24,144 | 23,016 |
Impaired loans, interest income recognized | 152 | 40 | 396 | 248 |
Business Activities Loans |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: recorded investment | 4,362 |  | 4,362 |  | $ 7,290
With no related allowance recorded: principal outstanding | 5,223 |  | 5,223 |  | 7,590
With a related allowance recorded: recorded investment | 25,396 |  | 25,396 |  | 11,626
With a related allowance recorded: principal outstanding | 26,592 |  | 26,592 |  | 11,624
Related Allowance | 11,236 |  | 11,236 |  | 6,043
Recorded Investment | 29,758 |  | 29,758 |  | 18,916
Principal Outstanding | 31,815 |  | 31,815 |  | 19,214
Commercial Real Estate |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: average recorded investment | 384 | 6,704 | 591 | 6,716 |
With no related allowance recorded: interest income recognized | 0 | 13 | 0 | 31 |
With a related allowance recorded: average recorded investment | 10,405 | 7,096 | 13,833 | 8,156 |
With a related allowance recorded: interest income recognized | 0 | 7 | 15 | 72 |
Impaired loans, average recorded investment | 10,789 | 13,800 | 14,424 | 14,872 |
Impaired loans, interest income recognized | 0 | 20 | 15 | 103 |
Commercial Real Estate | Business Activities Loans |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: recorded investment | 382 |  | 382 |  | 2,435
With no related allowance recorded: principal outstanding | 425 |  | 425 |  | 2,428
With a related allowance recorded: recorded investment | 21,234 |  | 21,234 |  | 8,806
With a related allowance recorded: principal outstanding | 21,165 |  | 21,165 |  | 8,656
Related Allowance | 10,409 |  | 10,409 |  | 5,430
Recorded Investment | 21,616 |  | 21,616 |  | 11,241
Principal Outstanding | 21,590 |  | 21,590 |  | 11,084
Residential Real Estate |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: average recorded investment | 183 | 1,580 | 694 | 2,332 |
With no related allowance recorded: interest income recognized | 0 | 8 | 0 | 72 |
With a related allowance recorded: average recorded investment | 1,352 | 1,525 | 1,514 | 885 |
With a related allowance recorded: interest income recognized | 0 | 6 | 0 | 4 |
Impaired loans, average recorded investment | 1,535 | 3,105 | 2,208 | 3,217 |
Impaired loans, interest income recognized | 0 | 14 | 0 | 76 |
Residential Real Estate | Business Activities Loans |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: recorded investment | 0 |  | 0 |  | 2,402
With no related allowance recorded: principal outstanding | 0 |  | 0 |  | 2,224
With a related allowance recorded: recorded investment | 1,623 |  | 1,623 |  | 106
With a related allowance recorded: principal outstanding | 1,448 |  | 1,448 |  | 105
Related Allowance | 293 |  | 293 |  | 5
Recorded Investment | 1,623 |  | 1,623 |  | 2,508
Principal Outstanding | 1,448 |  | 1,448 |  | 2,329
Commercial and Industrial |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: average recorded investment | 3,246 | 2,354 | 2,639 | 1,311 |
With no related allowance recorded: interest income recognized | 97 | 0 | 212 | 5 |
With a related allowance recorded: average recorded investment | 4,052 | 2,358 | 3,821 | 3,167 |
With a related allowance recorded: interest income recognized | 55 | 0 | 169 | 49 |
Impaired loans, average recorded investment | 7,298 | 4,712 | 6,460 | 4,478 |
Impaired loans, interest income recognized | 152 | 0 | 381 | 54 |
Commercial and Industrial | Business Activities Loans |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: recorded investment | 3,501 |  | 3,501 |  | 1,939
With no related allowance recorded: principal outstanding | 4,323 |  | 4,323 |  | 2,424
With a related allowance recorded: recorded investment | 2,539 |  | 2,539 |  | 2,714
With a related allowance recorded: principal outstanding | 3,979 |  | 3,979 |  | 2,863
Related Allowance | 534 |  | 534 |  | 608
Recorded Investment | 6,040 |  | 6,040 |  | 4,653
Principal Outstanding | 8,302 |  | 8,302 |  | 5,287
Consumer and Other |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: average recorded investment | 0 | 342 | 205 | 449 |
With no related allowance recorded: interest income recognized | 0 | 6 | 0 | 15 |
With a related allowance recorded: average recorded investment | 18 | 0 | 7 | 0 |
With a related allowance recorded: interest income recognized | 0 | 0 | 0 | 0 |
Impaired loans, average recorded investment | 18 | 342 | 212 | 449 |
Impaired loans, interest income recognized | 0 | 6 | 0 | 15 |
Consumer and Other | Business Activities Loans |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: recorded investment | 0 |  | 0 |  | 514
With no related allowance recorded: principal outstanding | 0 |  | 0 |  | 514
Related Allowance | 0 |  | 0 |  | 0
Recorded Investment | 0 |  | 0 |  | 514
Principal Outstanding | 0 |  | 0 |  | 514
Construction |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: average recorded investment | 362 | 0 | 840 | 0 |
With no related allowance recorded: interest income recognized | 0 | 0 | 0 | 0 |
Impaired loans, average recorded investment | 362 | 0 | 840 | 0 |
Impaired loans, interest income recognized | 0 | $ 0 | 0 | $ 0 |
Construction | Business Activities Loans |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
With no related allowance recorded: recorded investment | 479 |  | 479 |  | 0
With no related allowance recorded: principal outstanding | 475 |  | 475 |  | 0
Related Allowance | 0 |  | 0 |  | 0
Recorded Investment | 479 |  | 479 |  | 0
Principal Outstanding | $ 475 |  | $ 475 |  | $ 0

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