Annual report pursuant to Section 13 and 15(d)

Loans and Leases - Loans Receivable (Detail)

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Loans and Leases - Loans Receivable (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable $ 4,600,540 $ 4,304,458
Allowance for loan and lease losses (31,974) (31,043)
Loans and leases receivable, net 4,568,566 4,273,415
Real estate loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 3,758,355 3,590,914
Real estate loans | Retail    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 906,260 915,273
Real estate loans | Hospitality    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 830,679 681,325
Real estate loans | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 1,449,270 1,417,273
Real estate loans | Total commercial property loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 3,186,209 3,013,871
Real estate loans | Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 71,583 55,190
Real estate loans | Residential property    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 500,563 521,853
Commercial and industrial loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 429,903 399,201
Commercial and industrial loans | Commercial term    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 206,691 182,685
Commercial and industrial loans | Commercial lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 194,032 181,894
Commercial and industrial loans | International loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 29,180 34,622
Leases receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 398,858 297,284
Consumer loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable 13,424 17,059
Home equity lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans and leases receivable $ 10,300 $ 14,200