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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 | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 69,781 | $ 70,147
Percentage of Total Allowance | 100.00% | 100.00%
Total Loans | $ 6,528,259 | $ 6,251,377
Percentage of Total Loans | 100.00% | 100.00%
Residential |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Total Loans | $ 1,043,577 | $ 951,302
Real Estate |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 51,473 | $ 45,099
Percentage of Total Allowance | 73.80% | 64.30%
Total Loans | $ 5,058,868 | $ 4,900,924
Percentage of Total Loans | 77.50% | 78.50%
Real Estate | Retail |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 10,207 | $ 10,171
Percentage of Total Allowance | 14.60% | 14.50%
Total Loans | $ 1,106,438 | $ 1,068,978
Percentage of Total Loans | 16.90% | 17.10%
Real Estate | Hospitality |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 8,183 | $ 15,302
Percentage of Total Allowance | 11.70% | 21.80%
Total Loans | $ 823,033 | $ 848,134
Percentage of Total Loans | 12.60% | 13.60%
Real Estate | Office |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 6,272 | $ 3,935
Percentage of Total Allowance | 9.00% | 5.60%
Total Loans | $ 533,031 | $ 568,861
Percentage of Total Loans | 8.20% | 9.10%
Real Estate | Other |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 14,520 | $ 8,243
Percentage of Total Allowance | 20.80% | 11.80%
Total Loans | $ 1,482,826 | $ 1,385,051
Percentage of Total Loans | 22.70% | 22.20%
Real Estate | Total commercial property loans |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 39,182 | $ 37,651
Percentage of Total Allowance | 56.10% | 53.70%
Total Loans | $ 3,945,328 | $ 3,871,024
Percentage of Total Loans | 60.40% | 62.00%
Real Estate | Construction |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 1,021 | $ 1,664
Percentage of Total Allowance | 1.50% | 2.40%
Total Loans | $ 69,963 | $ 78,598
Percentage of Total Loans | 1.10% | 1.30%
Real Estate | Residential |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 11,270 | $ 5,784
Percentage of Total Allowance | 16.20% | 8.20%
Total Loans | $ 1,043,577 | $ 951,302
Percentage of Total Loans | 16.00% | 15.20%
Commercial and Industrial |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 7,302 | $ 10,006
Percentage of Total Allowance | 10.50% | 14.30%
Total Loans | $ 1,052,522 | $ 863,431
Percentage of Total Loans | 16.10% | 13.80%
Equipment Financing Agreements |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 11,006 | $ 15,042
Percentage of Total Allowance | 15.70% | 21.40%
Total Loans | $ 416,869 | $ 487,022
Percentage of Total Loans | 6.40% | 7.70%

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