Quarterly report pursuant to Section 13 or 15(d)

Loans - Allowance for Credit Losses by Portfolio Segment as a Percentage of Recorded Total Allowance for Credit Losses and Aggregate Recorded Investment of Loans Receivable (Detail)

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Loans - Allowance for Credit Losses by Portfolio Segment as a Percentage of Recorded Total Allowance for Credit Losses and Aggregate Recorded Investment of Loans Receivable (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 71,512 $ 72,557
Percentage of Total Allowance 100.00% 100.00%
Total Loans $ 5,337,500 $ 5,151,541
Percentage of Total Loans 100.00% 100.00%
Real Estate    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 46,355 $ 48,890
Percentage of Total Allowance 64.80% 67.40%
Total Loans $ 4,204,258 $ 4,102,411
Percentage of Total Loans 78.70% 79.60%
Real Estate | Retail    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 6,827 $ 6,579
Percentage of Total Allowance 9.50% 9.10%
Total Loans $ 990,716 $ 970,134
Percentage of Total Loans 18.60% 18.80%
Real Estate | Hospitality    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 19,625 $ 22,670
Percentage of Total Allowance 27.50% 31.20%
Total Loans $ 718,721 $ 717,692
Percentage of Total Loans 13.50% 13.90%
Real Estate | Other    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 15,904 $ 15,065
Percentage of Total Allowance 22.20% 20.80%
Total Loans $ 1,974,091 $ 1,919,033
Percentage of Total Loans 36.90% 37.30%
Real Estate | Total commercial property loans    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 42,356 $ 44,314
Percentage of Total Allowance 59.20% 61.10%
Total Loans $ 3,683,528 $ 3,606,859
Percentage of Total Loans 69.00% 70.00%
Real Estate | Construction    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 3,531 $ 4,078
Percentage of Total Allowance 4.90% 5.60%
Total Loans $ 87,925 $ 95,006
Percentage of Total Loans 1.60% 1.80%
Real Estate | Residential/Consumer Loans    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 468 $ 498
Percentage of Total Allowance 0.70% 0.70%
Total Loans $ 432,805 $ 400,546
Percentage of Total Loans 8.10% 7.80%
Commercial and Industrial    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 12,944 $ 12,418
Percentage of Total Allowance 18.10% 17.10%
Total Loans $ 633,107 $ 561,831
Percentage of Total Loans 11.90% 10.90%
Leases Receivable    
Financing Receivable Allowance For Credit Losses [Line Items]    
Allowance Amount $ 12,213 $ 11,249
Percentage of Total Allowance 17.10% 15.50%
Total Loans $ 500,135 $ 487,299
Percentage of Total Loans 9.40% 9.50%