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Loans - Allowance for Credit Losses by Portfolio Segment as a Percentage of Recorded Total Allowance for Credit Losses and Aggregate Recorded Investment of Loans Receivable (Detail) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023 | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 67,729 | $ 69,462 | $ 71,024 | $ 71,523
Percentage of Total Allowance | 100.00% | 100.00% |  |
Total Loans | $ 6,176,359 | $ 6,182,434 |  |
Percentage of Total Loans | 100.00% | 100.00% |  |
Residential |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Total Loans | $ 954,209 | $ 962,661 |  |
Real Estate |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 42,153 | $ 45,499 |  |
Percentage of Total Allowance | 62.20% | 65.50% |  |
Total Loans | $ 4,842,714 | $ 4,852,400 |  |
Percentage of Total Loans | 78.40% | 78.50% |  |
Real Estate | Retail |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 10,126 | $ 10,264 |  |
Percentage of Total Allowance | 15.00% | 14.80% |  |
Total Loans | $ 1,094,728 | $ 1,107,360 |  |
Percentage of Total Loans | 17.70% | 17.90% |  |
Real Estate | Hospitality |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 11,995 | $ 15,534 |  |
Percentage of Total Allowance | 17.70% | 22.40% |  |
Total Loans | $ 754,600 | $ 740,519 |  |
Percentage of Total Loans | 12.20% | 12.00% |  |
Real Estate | Office |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 3,712 | $ 3,024 |  |
Percentage of Total Allowance | 5.50% | 4.40% |  |
Total Loans | $ 572,532 | $ 574,981 |  |
Percentage of Total Loans | 9.30% | 9.30% |  |
Real Estate | Other |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 7,889 | $ 8,663 |  |
Percentage of Total Allowance | 11.60% | 12.40% |  |
Total Loans | $ 1,360,139 | $ 1,366,534 |  |
Percentage of Total Loans | 22.00% | 22.10% |  |
Real Estate | Total commercial property loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 33,722 | $ 37,485 |  |
Percentage of Total Allowance | 49.80% | 54.00% |  |
Total Loans | $ 3,781,999 | $ 3,789,394 |  |
Percentage of Total Loans | 61.20% | 61.30% |  |
Real Estate | Construction |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 2,371 | $ 2,756 |  |
Percentage of Total Allowance | 3.50% | 4.00% |  |
Total Loans | $ 106,506 | $ 100,345 |  |
Percentage of Total Loans | 1.70% | 1.60% |  |
Real Estate | Residential |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 6,060 | $ 5,258 |  |
Percentage of Total Allowance | 8.90% | 7.50% |  |
Total Loans | $ 954,209 | $ 962,661 |  |
Percentage of Total Loans | 15.50% | 15.60% |  |
Commercial and Industrial |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 10,563 | $ 10,257 |  |
Percentage of Total Allowance | 15.60% | 14.80% |  |
Total Loans | $ 802,372 | $ 747,819 |  |
Percentage of Total Loans | 13.00% | 12.10% |  |
Equipment Financing Agreements |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance Amount | $ 15,013 | $ 13,706 |  |
Percentage of Total Allowance | 22.20% | 19.70% |  |
Total Loans | $ 531,273 | $ 582,215 |  |
Percentage of Total Loans | 8.60% | 9.40% |  |

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