Annual report [Section 13 and 15(d), not S-K Item 405]

Loans Receivable - Schedule of Comparison Between the Periods of Disaggregated by Loan Class (Detail)

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Loans Receivable - Schedule of Comparison Between the Periods of Disaggregated by Loan Class (Detail) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable $ 6,251,377 $ 6,182,434
Residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 951,302 962,661
Real Estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 4,900,924 4,852,400
Real Estate | Retail    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 1,068,978 1,107,360
Real Estate | Hospitality    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 848,134 740,519
Real Estate | Other    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 1,385,051 1,366,534
Real Estate | Total commercial property loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 3,871,024 3,789,394
Real Estate | Construction    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 78,598 100,345
Real Estate | Residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 951,302 962,661
Commercial and Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 863,431 747,819
Equipment Financing Agreements    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 487,022 582,215
Pass/Pass-Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 4,777,714 4,783,314
Pass/Pass-Watch | Real Estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 6,086,081 6,085,752
Pass/Pass-Watch | Real Estate | Total commercial property loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 3,749,364 3,749,115
Pass/Pass-Watch | Real Estate | Construction    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 78,598 72,039
Pass/Pass-Watch | Commercial and Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 829,841 727,554
Pass/Pass-Watch | Equipment Financing Agreements    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 478,526 574,884
Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 139,613 21,765
Special Mention | Real Estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 107,468 65,315
Special Mention | Real Estate | Total commercial property loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 107,719 50,571
Special Mention | Real Estate | Construction    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable   28,306
Special Mention | Commercial and Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 31,894 14,744
Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 25,683 31,367
Classified | Real Estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 15,491 18,515
Classified | Real Estate | Total commercial property loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 14,192 18,514
Classified | Commercial and Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable 1,696 1
Classified | Equipment Financing Agreements    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total gross loans receivable $ 8,496 $ 7,331