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, 2021
Dec. 31, 2020
Financing Receivable, Past Due [Line Items]    
Loans receivable $ 5,151,541 $ 4,880,168
60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Loans receivable 11,100 53,400
Real Estate    
Financing Receivable, Past Due [Line Items]    
Loans receivable 4,102,411 3,699,649
Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Loans receivable 970,134 824,606
Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Loans receivable 717,692 859,953
Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Loans receivable 1,919,033 1,610,377
Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Loans receivable 3,606,859 3,294,936
Real Estate | Construction    
Financing Receivable, Past Due [Line Items]    
Loans receivable 95,006 58,882
Real Estate | Residential/Consumer Loans    
Financing Receivable, Past Due [Line Items]    
Loans receivable 400,546 345,831
Commercial and Industrial    
Financing Receivable, Past Due [Line Items]    
Loans receivable 561,831 757,255
Leases Receivable    
Financing Receivable, Past Due [Line Items]    
Loans receivable 487,299 423,264
Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 10,716 53,640
Loans receivable 5,151,541 4,880,168
Non-PCI Loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 5,038 9,026
Non-PCI Loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,442 15,081
Non-PCI Loans | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,236 29,533
Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Loans receivable 5,140,825 4,826,528
Non-PCI Loans | Real Estate    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,714 30,332
Loans receivable 4,102,411 3,699,649
Non-PCI Loans | Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Loans receivable 970,134 824,606
Non-PCI Loans | Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 556 11,076
Loans receivable 717,692 859,953
Non-PCI Loans | Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,282 731
Loans receivable 1,919,033 1,610,377
Non-PCI Loans | Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,838 11,807
Loans receivable 3,606,859 3,294,936
Non-PCI Loans | Real Estate | Construction    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   12,807
Loans receivable 95,006 58,882
Non-PCI Loans | Real Estate | Residential/Consumer Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,876 5,718
Loans receivable 400,546 345,831
Non-PCI Loans | Real Estate | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,218 4,693
Non-PCI Loans | Real Estate | 30-59 Days Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 556  
Non-PCI Loans | Real Estate | 30-59 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 92  
Non-PCI Loans | Real Estate | 30-59 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 648  
Non-PCI Loans | Real Estate | 30-59 Days Past Due | Residential/Consumer Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 570 4,693
Non-PCI Loans | Real Estate | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,441 13,268
Non-PCI Loans | Real Estate | 60-89 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 691  
Non-PCI Loans | Real Estate | 60-89 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 691  
Non-PCI Loans | Real Estate | 60-89 Days Past Due | Construction    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   12,807
Non-PCI Loans | Real Estate | 60-89 Days Past Due | Residential/Consumer Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 750 461
Non-PCI Loans | Real Estate | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,055 12,371
Non-PCI Loans | Real Estate | 90 Days or More Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   11,076
Non-PCI Loans | Real Estate | 90 Days or More Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 499 731
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 499 11,807
Non-PCI Loans | Real Estate | 90 Days or More Past Due | Residential/Consumer Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 556 564
Non-PCI Loans | Real Estate | Current    
Financing Receivable, Past Due [Line Items]    
Loans receivable 4,098,697 3,669,317
Non-PCI Loans | Real Estate | Current | Retail    
Financing Receivable, Past Due [Line Items]    
Loans receivable 970,134 824,606
Non-PCI Loans | Real Estate | Current | Hospitality    
Financing Receivable, Past Due [Line Items]    
Loans receivable 717,136 848,877
Non-PCI Loans | Real Estate | Current | Other    
Financing Receivable, Past Due [Line Items]    
Loans receivable 1,917,751 1,609,646
Non-PCI Loans | Real Estate | Current | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Loans receivable 3,605,021 3,283,129
Non-PCI Loans | Real Estate | Current | Construction    
Financing Receivable, Past Due [Line Items]    
Loans receivable 95,006 46,075
Non-PCI Loans | Real Estate | Current | Residential/Consumer Loans    
Financing Receivable, Past Due [Line Items]    
Loans receivable 398,670 340,113
Non-PCI Loans | Commercial and Industrial    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 65 12,796
Loans receivable 561,831 757,255
Non-PCI Loans | Commercial and Industrial | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 56 282
Non-PCI Loans | Commercial and Industrial | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 9 27
Non-PCI Loans | Commercial and Industrial | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   12,487
Non-PCI Loans | Commercial and Industrial | Current    
Financing Receivable, Past Due [Line Items]    
Loans receivable 561,766 744,459
Non-PCI Loans | Leases Receivable    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 6,937 10,512
Loans receivable 487,299 423,264
Non-PCI Loans | Leases Receivable | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,764 4,051
Non-PCI Loans | Leases Receivable | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,992 1,786
Non-PCI Loans | Leases Receivable | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,181 4,675
Non-PCI Loans | Leases Receivable | Current    
Financing Receivable, Past Due [Line Items]    
Loans receivable $ 480,362 $ 412,752