Annual report pursuant to Section 13 and 15(d)

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

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Loans Receivable - Analysis of Past Due Loans, Disaggregated by Loan Class, Non-PCI (Detail) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Financing Receivable, Past Due [Line Items]    
Total Loans $ 6,182,434 $ 5,967,133
Real Estate    
Financing Receivable, Past Due [Line Items]    
Total Loans 4,852,400 4,567,853
Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,107,360 1,023,608
Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 740,519 646,893
Real Estate | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 574,981 499,946
Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,366,534 1,553,729
Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 3,789,394 3,724,176
Real Estate | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 100,345 109,205
Real Estate | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 962,661 734,472
Real Estate | 30-59 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 632  
Real Estate | 30-59 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 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 | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 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 | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 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  
Real Estate | Current | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 962,661  
Commercial and Industrial    
Financing Receivable, Past Due [Line Items]    
Total Loans 747,819 804,492
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 5,178  
Equipment Financing Agreements    
Financing Receivable, Past Due [Line Items]    
Total Loans 582,215 594,788
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 21,451 11,819
Non-PCI Loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 8,959 6,215
Non-PCI Loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,740 2,648
Non-PCI Loans | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 9,752 2,956
Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 6,160,983 5,955,314
Non-PCI Loans | Real Estate    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,254 1,618
Non-PCI Loans | Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 632  
Non-PCI Loans | Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 172  
Non-PCI Loans | Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 592 494
Non-PCI Loans | Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,396 494
Non-PCI Loans | Real Estate | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 858 1,124
Non-PCI Loans | Real Estate | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,745 313
Non-PCI Loans | Real Estate | 30-59 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,224  
Non-PCI Loans | Real Estate | 30-59 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   313
Non-PCI Loans | Real Estate | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 486 1,298
Non-PCI Loans | Real Estate | 60-89 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   494
Non-PCI Loans | Real Estate | 60-89 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 150 494
Non-PCI Loans | Real Estate | 60-89 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   804
Non-PCI Loans | Real Estate | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 23 7
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 22  
Non-PCI Loans | Real Estate | 90 Days or More Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   7
Non-PCI Loans | Real Estate | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 4,850,146 4,566,235
Non-PCI Loans | Real Estate | Current | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,106,728 1,023,608
Non-PCI Loans | Real Estate | Current | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 740,347 646,893
Non-PCI Loans | Real Estate | Current | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 574,981 499,946
Non-PCI Loans | Real Estate | Current | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,365,942 1,553,235
Non-PCI Loans | Real Estate | Current | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 3,787,998 3,723,682
Non-PCI Loans | Real Estate | Current | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 100,345 109,205
Non-PCI Loans | Real Estate | Current | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 961,803 733,348
Non-PCI Loans | Commercial and Industrial    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 5,374 156
Non-PCI Loans | Commercial and Industrial | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   77
Non-PCI Loans | Commercial and Industrial | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   79
Non-PCI Loans | Commercial and Industrial | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 742,445 804,336
Non-PCI Loans | Equipment Financing Agreements    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 13,823 10,045
Non-PCI Loans | Equipment Financing Agreements | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   5,825
Non-PCI Loans | Equipment Financing Agreements | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   1,271
Non-PCI Loans | Equipment Financing Agreements | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   2,949
Non-PCI Loans | Equipment Financing Agreements | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans $ 568,392 $ 584,743