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)

v3.26.1
Loans - Analysis of Past Due Loans, Including Loans on Nonaccrual Status, Disaggregated by Loan Class, Non-PCI (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Past Due [Line Items]    
Total Loans $ 6,545,466 $ 6,563,368
Accruing 90 days or more past due loans receivable 0  
Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,002,223 1,049,872
30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 11,675  
30-59 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 4,743 4,311
60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,524  
60-89 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,082 1,259
90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 9,396  
90 Days or More Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,001 1,109
Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 23,595 33,837
Non-PCI Loans | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 7,826 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 6,521,871 6,529,531
Non-PCI Loans | Current | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 994,397 1,043,193
Real Estate    
Financing Receivable, Past Due [Line Items]    
Total Loans 5,000,367 5,079,977
Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,167,739 1,132,439
Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 865,202 847,989
Real Estate | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 486,537 503,268
Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,464,915 1,532,667
Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 3,984,393 4,016,363
Real Estate | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 13,751 13,742
Real Estate | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,002,223 1,049,872
Real Estate | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 7,507 9,773
Real Estate | 30-59 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,524 2,002
Real Estate | 30-59 Days Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 190 3,135
Real Estate | 30-59 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,050 325
Real Estate | 30-59 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,764 5,462
Real Estate | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,082 2,506
Real Estate | 60-89 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   590
Real Estate | 60-89 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   657
Real Estate | 60-89 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   1,247
Real Estate | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 6,489 11,422
Real Estate | 90 Days or More Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 436 154
Real Estate | 90 Days or More Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,175  
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 540  
Real Estate | 90 Days or More Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 4,488 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 15,078 23,701
Real Estate | Non-PCI Loans | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,960 2,746
Real Estate | Non-PCI Loans | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,365 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 1,590 982
Real Estate | Non-PCI Loans | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 7,252 17,022
Real Estate | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 4,985,289 5,056,276
Real Estate | Non-PCI Loans | Current | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,165,779 1,129,693
Real Estate | Non-PCI Loans | Current | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 861,837 844,854
Real Estate | Non-PCI Loans | Current | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 486,200 493,109
Real Estate | Non-PCI Loans | Current | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,463,325 1,531,685
Real Estate | Non-PCI Loans | Current | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 3,977,141 3,999,341
Real Estate | Non-PCI Loans | Current | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 13,751 13,742
Commercial and Industrial    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,152,544 1,074,908
Commercial and Industrial | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 627 788
Commercial and Industrial | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 627 788
Commercial and Industrial | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,151,917 1,074,120
Equipment Financing Agreements    
Financing Receivable, Past Due [Line Items]    
Total Loans 392,555 408,483
Equipment Financing Agreements | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,541 4,604
Equipment Financing Agreements | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,442 1,788
Equipment Financing Agreements | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,907 2,956
Equipment Financing Agreements | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 7,890 9,348
Equipment Financing Agreements | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans $ 384,665 $ 399,135