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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 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 72,249 | $ 71,523
Percentage of Total Allowance | 100.00% | 100.00%
Total Loans | $ 5,980,458 | $ 5,967,133
Percentage of Total Loans | 100.00% | 100.00%
Residential |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Total Loans | $ 817,917 | $ 734,472
Real Estate |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 43,531 | $ 44,026
Percentage of Total Allowance | 60.30% | 61.60%
Total Loans | $ 4,602,093 | $ 4,567,853
Percentage of Total Loans | 77.00% | 76.60%
Real Estate | Retail |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 9,405 | $ 7,872
Percentage of Total Allowance | 13.00% | 11.00%
Total Loans | $ 1,052,353 | $ 1,023,608
Percentage of Total Loans | 17.60% | 17.20%
Real Estate | Hospitality |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 14,138 | $ 13,407
Percentage of Total Allowance | 19.60% | 18.70%
Total Loans | $ 669,012 | $ 646,893
Percentage of Total Loans | 11.20% | 10.80%
Real Estate | Office |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 2,509 | $ 2,293
Percentage of Total Allowance | 3.50% | 3.20%
Total Loans | $ 533,703 | $ 499,946
Percentage of Total Loans | 8.90% | 8.40%
Real Estate | Other |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 9,186 | $ 13,056
Percentage of Total Allowance | 12.70% | 18.30%
Total Loans | $ 1,415,748 | $ 1,553,729
Percentage of Total Loans | 23.70% | 26.00%
Real Estate | Total commercial property loans |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 35,238 | $ 36,628
Percentage of Total Allowance | 48.80% | 51.20%
Total Loans | $ 3,670,816 | $ 3,724,176
Percentage of Total Loans | 61.40% | 62.40%
Real Estate | Construction |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 4,003 | $ 4,022
Percentage of Total Allowance | 5.50% | 5.70%
Total Loans | $ 113,360 | $ 109,205
Percentage of Total Loans | 1.90% | 1.80%
Real Estate | Residential |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 4,290 | $ 3,376
Percentage of Total Allowance | 6.00% | 4.70%
Total Loans | $ 817,917 | $ 734,472
Percentage of Total Loans | 13.70% | 12.40%
Commercial and Industrial |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 15,333 | $ 15,267
Percentage of Total Allowance | 21.20% | 21.30%
Total Loans | $ 778,149 | $ 804,492
Percentage of Total Loans | 13.00% | 13.40%
Equipment Financing Agreements |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |
Allowance Amount | $ 13,385 | $ 12,230
Percentage of Total Allowance | 18.50% | 17.10%
Total Loans | $ 600,216 | $ 594,788
Percentage of Total Loans | 10.00% | 10.00%

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