Quarterly report [Sections 13 or 15(d)]

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)

v3.25.1
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, 2025
Dec. 31, 2024
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 70,597 $ 70,147
Percentage of Total Allowance 100.00% 100.00%
Total Loans $ 6,282,189 $ 6,251,377
Percentage of Total Loans 100.00% 100.00%
Residential    
Financing Receivable Allowance For Credit Losses [Line Items]    
Total Loans $ 979,536 $ 951,302
Real Estate    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 51,303 $ 45,099
Percentage of Total Allowance 72.80% 64.30%
Total Loans $ 4,955,187 $ 4,900,924
Percentage of Total Loans 79.00% 78.50%
Real Estate | Retail    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 9,404 $ 10,171
Percentage of Total Allowance 13.30% 14.50%
Total Loans $ 1,109,097 $ 1,068,978
Percentage of Total Loans 17.70% 17.10%
Real Estate | Hospitality    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 7,128 $ 15,302
Percentage of Total Allowance 10.10% 21.80%
Total Loans $ 845,275 $ 848,134
Percentage of Total Loans 13.50% 13.60%
Real Estate | Office    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 11,536 $ 3,935
Percentage of Total Allowance 16.30% 5.60%
Total Loans $ 563,957 $ 568,861
Percentage of Total Loans 9.00% 9.10%
Real Estate | Other    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 12,278 $ 8,243
Percentage of Total Allowance 17.50% 11.80%
Total Loans $ 1,378,746 $ 1,385,051
Percentage of Total Loans 21.80% 22.20%
Real Estate | Total commercial property loans    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 40,346 $ 37,651
Percentage of Total Allowance 57.20% 53.70%
Total Loans $ 3,897,075 $ 3,871,024
Percentage of Total Loans 62.00% 62.00%
Real Estate | Construction    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 1,021 $ 1,664
Percentage of Total Allowance 1.40% 2.40%
Total Loans $ 78,576 $ 78,598
Percentage of Total Loans 1.30% 1.30%
Real Estate | Residential    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 9,936 $ 5,784
Percentage of Total Allowance 14.20% 8.20%
Total Loans $ 979,536 $ 951,302
Percentage of Total Loans 15.70% 15.20%
Commercial and Industrial    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 6,242 $ 10,006
Percentage of Total Allowance 8.70% 14.30%
Total Loans $ 854,406 $ 863,431
Percentage of Total Loans 13.50% 13.80%
Equipment Financing Agreements    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 13,052 $ 15,042
Percentage of Total Allowance 18.50% 21.40%
Total Loans $ 472,596 $ 487,022
Percentage of Total Loans 7.50% 7.70%