v3.26.1
Loans - Analysis of Past Due Loans, Including Loans on Nonaccrual Status, Disaggregated by Loan Class, Non-PCI (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable, Past Due [Line Items]    
Total Loans $ 6,535,312 $ 6,563,368
Accruing 90 days or more past due loans receivable 0  
Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 978,881 1,049,872
30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 30,141  
30-59 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 4,486 4,311
60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 4,583  
60-89 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,785 1,259
90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 5,465  
90 Days or More Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,825 1,109
Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 40,189 33,837
Non-PCI Loans | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 8,096 6,679
Non-PCI Loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   15,165
Non-PCI Loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   4,294
Non-PCI Loans | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   14,378
Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 6,495,123 6,529,531
Non-PCI Loans | Current | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 970,785 1,043,193
Real Estate    
Financing Receivable, Past Due [Line Items]    
Total Loans 5,001,201 5,079,977
Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,193,177 1,132,439
Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 858,617 847,989
Real Estate | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 479,110 503,268
Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,477,659 1,532,667
Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 4,008,563 4,016,363
Real Estate | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 13,757 13,742
Real Estate | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 978,881 1,049,872
Real Estate | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 26,500 9,773
Real Estate | 30-59 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 21,510 2,002
Real Estate | 30-59 Days Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 186 3,135
Real Estate | 30-59 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 318 325
Real Estate | 30-59 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 22,014 5,462
Real Estate | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,093 2,506
Real Estate | 60-89 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 712 590
Real Estate | 60-89 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 596 657
Real Estate | 60-89 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,308 1,247
Real Estate | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,118 11,422
Real Estate | 90 Days or More Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 429 154
Real Estate | 90 Days or More Past Due | Office    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 337 10,159
Real Estate | 90 Days or More Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 527  
Real Estate | 90 Days or More Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,293 10,313
Real Estate | Current | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans   503,268
Real Estate | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 32,711 23,701
Real Estate | Non-PCI Loans | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 22,651 2,746
Real Estate | Non-PCI Loans | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 186 3,135
Real Estate | Non-PCI Loans | Office    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 337 10,159
Real Estate | Non-PCI Loans | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,441 982
Real Estate | Non-PCI Loans | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 24,615 17,022
Real Estate | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 4,968,490 5,056,276
Real Estate | Non-PCI Loans | Current | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,170,526 1,129,693
Real Estate | Non-PCI Loans | Current | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 858,431 844,854
Real Estate | Non-PCI Loans | Current | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 478,773 493,109
Real Estate | Non-PCI Loans | Current | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,476,218 1,531,685
Real Estate | Non-PCI Loans | Current | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 3,983,948 3,999,341
Real Estate | Non-PCI Loans | Current | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 13,757 13,742
Commercial and Industrial    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,171,272 1,074,908
Commercial and Industrial | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 433 788
Commercial and Industrial | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 10  
Commercial and Industrial | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 443 788
Commercial and Industrial | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,170,829 1,074,120
Equipment Financing Agreements    
Financing Receivable, Past Due [Line Items]    
Total Loans 362,839 408,483
Equipment Financing Agreements | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,208 4,604
Equipment Financing Agreements | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,480 1,788
Equipment Financing Agreements | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,347 2,956
Equipment Financing Agreements | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 7,035 9,348
Equipment Financing Agreements | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans $ 355,804 $ 399,135