Quarterly report [Sections 13 or 15(d)]

Loans - Analysis of Past Due Loans, Including Loans on Nonaccrual Status, Disaggregated by Loan Class, Non-PCI (Detail)

v3.25.1
Loans - Analysis of Past Due Loans, Including Loans on Nonaccrual Status, Disaggregated by Loan Class, Non-PCI (Detail) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Financing Receivable, Past Due [Line Items]    
Total Loans $ 6,282,189 $ 6,251,377
Accruing 90 days or more past due loans receivable 112  
Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 979,536 951,302
30-59 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 5,192 5,129
60-89 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   2,975
90 Days or More Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,238 980
Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 49,758 29,776
Non-PCI Loans | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 6,430 9,084
Non-PCI Loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 16,964 14,298
Non-PCI Loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 24,816 6,990
Non-PCI Loans | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 7,978 8,488
Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 6,232,431 6,221,601
Non-PCI Loans | Current | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 973,106 942,218
Real Estate    
Financing Receivable, Past Due [Line Items]    
Total Loans 4,955,187 4,900,924
Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,109,097 1,068,978
Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 845,275 848,134
Real Estate | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 563,957 568,861
Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,378,746 1,385,051
Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 3,897,075 3,871,024
Real Estate | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 78,576 78,598
Real Estate | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 979,536 951,302
Real Estate | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 7,967  
Real Estate | 30-59 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,647 975
Real Estate | 30-59 Days Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 471 516
Real Estate | 30-59 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 657 1,288
Real Estate | 30-59 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,775  
Real Estate | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 21,821  
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 1,821 (50)
Real Estate | 60-89 Days Past Due | Office    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 20,000 212
Real Estate | 60-89 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 21,821  
Real Estate | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,536  
Real Estate | 90 Days or More Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 83 254
Real Estate | 90 Days or More Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 215 216
Real Estate | 90 Days or More Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 298  
Real Estate | Current | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 563,957  
Real Estate | Current | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans   1,385,051
Real Estate | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 31,324 13,350
Real Estate | Non-PCI Loans | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,730 2,084
Real Estate | Non-PCI Loans | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,507 682
Real Estate | Non-PCI Loans | Office    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 20,000 212
Real Estate | Non-PCI Loans | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 657 1,288
Real Estate | Non-PCI Loans | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 24,894 4,266
Real Estate | Non-PCI Loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   7,908
Real Estate | Non-PCI Loans | 30-59 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   2,779
Real Estate | Non-PCI Loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   3,992
Real Estate | Non-PCI Loans | 60-89 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   1,017
Real Estate | Non-PCI Loans | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   1,450
Real Estate | Non-PCI Loans | 90 Days or More Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   470
Real Estate | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 4,923,863 4,887,574
Real Estate | Non-PCI Loans | Current | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,107,367 1,066,894
Real Estate | Non-PCI Loans | Current | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 842,768 847,452
Real Estate | Non-PCI Loans | Current | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 543,957 568,649
Real Estate | Non-PCI Loans | Current | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,378,089 1,383,763
Real Estate | Non-PCI Loans | Current | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 3,872,181 3,866,758
Real Estate | Non-PCI Loans | Current | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 78,576 78,598
Commercial and Industrial    
Financing Receivable, Past Due [Line Items]    
Total Loans 854,406 863,431
Commercial and Industrial | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,038 236
Commercial and Industrial | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   132
Commercial and Industrial | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,142 1,278
Commercial and Industrial | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,180 1,646
Commercial and Industrial | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 851,226 861,785
Equipment Financing Agreements    
Financing Receivable, Past Due [Line Items]    
Total Loans 472,596 487,022
Equipment Financing Agreements | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 6,959 6,154
Equipment Financing Agreements | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,995 2,866
Equipment Financing Agreements | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 5,300 5,760
Equipment Financing Agreements | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 15,254 14,780
Equipment Financing Agreements | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans $ 457,342 $ 472,242