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

Loans Receivable - Analysis of Past Due Loans, Disaggregated by Loan Class, and Inclusive of Nonaccrual Loans Non-PCI (Detail)

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Loans Receivable - Analysis of Past Due Loans, Disaggregated by Loan Class, and Inclusive of Nonaccrual Loans Non-PCI (Detail) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Financing Receivable, Past Due [Line Items]    
Total Loans $ 6,251,377 $ 6,182,434
Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 951,302 962,661
Real Estate    
Financing Receivable, Past Due [Line Items]    
Total Loans 4,900,924 4,852,400
Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,068,978 1,107,360
Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 848,134 740,519
Real Estate | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 568,861 574,981
Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,385,051 1,366,534
Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 3,871,024 3,789,394
Real Estate | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 78,598 100,345
Real Estate | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 951,302 962,661
Real Estate | 30-59 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 975 632
Real Estate | 30-59 Days Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 516  
Real Estate | 30-59 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,288 592
Real Estate | 30-59 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   521
Real Estate | 60-89 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 855  
Real Estate | 60-89 Days Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable (50) 150
Real Estate | 60-89 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   336
Real Estate | 90 Days or More Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 254  
Real Estate | 90 Days or More Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 216 22
Real Estate | 90 Days or More Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   1
Real Estate | Current | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans   100,345
Commercial and Industrial    
Financing Receivable, Past Due [Line Items]    
Total Loans 863,431 747,819
Commercial and Industrial | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   76
Commercial and Industrial | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   120
Commercial and Industrial | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,278 5,178
Equipment Financing Agreements    
Financing Receivable, Past Due [Line Items]    
Total Loans 487,022 582,215
Equipment Financing Agreements | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   7,138
Equipment Financing Agreements | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   2,134
Equipment Financing Agreements | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   4,551
Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 29,776 21,451
Non-PCI Loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 14,298 8,959
Non-PCI Loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 6,990 2,740
Non-PCI Loans | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 8,488 9,752
Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 6,221,601 6,160,983
Non-PCI Loans | Real Estate    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 13,350 2,254
Non-PCI Loans | Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,084 632
Non-PCI Loans | Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 682 172
Non-PCI Loans | Real Estate | Office    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 212  
Non-PCI Loans | Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,288 592
Non-PCI Loans | Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 4,266 1,396
Non-PCI Loans | Real Estate | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 9,084 858
Non-PCI Loans | Real Estate | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 7,908 1,745
Non-PCI Loans | Real Estate | 30-59 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,779 1,224
Non-PCI Loans | Real Estate | 30-59 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 5,129  
Non-PCI Loans | Real Estate | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,992 486
Non-PCI Loans | Real Estate | 60-89 Days Past Due | Office    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 212  
Non-PCI Loans | Real Estate | 60-89 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,017 150
Non-PCI Loans | Real Estate | 60-89 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,975  
Non-PCI Loans | Real Estate | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,450 23
Non-PCI Loans | Real Estate | 90 Days or More Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 470 22
Non-PCI Loans | Real Estate | 90 Days or More Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 980  
Non-PCI Loans | Real Estate | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 4,887,574 4,850,146
Non-PCI Loans | Real Estate | Current | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,066,894 1,106,728
Non-PCI Loans | Real Estate | Current | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 847,452 740,347
Non-PCI Loans | Real Estate | Current | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 568,649 574,981
Non-PCI Loans | Real Estate | Current | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,383,763 1,365,942
Non-PCI Loans | Real Estate | Current | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 3,866,758 3,787,998
Non-PCI Loans | Real Estate | Current | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 78,598 100,345
Non-PCI Loans | Real Estate | Current | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 942,218 961,803
Non-PCI Loans | Commercial and Industrial    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,646 5,374
Non-PCI Loans | Commercial and Industrial | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 236  
Non-PCI Loans | Commercial and Industrial | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 132  
Non-PCI Loans | Commercial and Industrial | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 861,785 742,445
Non-PCI Loans | Equipment Financing Agreements    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 14,780 13,823
Non-PCI Loans | Equipment Financing Agreements | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 6,154  
Non-PCI Loans | Equipment Financing Agreements | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,866  
Non-PCI Loans | Equipment Financing Agreements | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 5,760  
Non-PCI Loans | Equipment Financing Agreements | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans $ 472,242 $ 568,392