Annual report pursuant to Section 13 and 15(d)

Loans and Leases - Loans Receivable (Detail)

v3.6.0.2
Loans and Leases - Loans Receivable (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases $ 3,844,769 $ 3,183,316    
Allowance for loan and lease losses (32,429) (42,935)    
Loans and leases receivable, net 3,812,340 3,140,381    
Real estate loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 3,278,375 2,845,514    
Real estate loans [Member] | Retail [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 859,953 740,350    
Real estate loans [Member] | Hotel/motel [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 651,158 543,425    
Real estate loans [Member] | Gas station [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 262,879 323,655    
Real estate loans [Member] | Other [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 1,109,656 978,661    
Real estate loans [Member] | Construction [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 55,962 23,387    
Real estate loans [Member] | Residential property [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 338,767 236,036    
Commercial and industrial loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 300,220 312,876    
Commercial and industrial loans [Member] | Commercial term [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 138,168 152,773    
Commercial and industrial loans [Member] | Commercial lines of credit [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 136,231 128,224    
Commercial and industrial loans [Member] | International loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 25,821 31,879    
Leases Receivable [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 243,294 0    
Consumer loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 22,880 24,926    
Home Equity Line of Credit [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 17,700 21,800    
Non-PCI Loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 3,834,906 3,163,302    
Allowance for loan and lease losses (31,458) (37,494) $ (51,640)  
Loans and leases receivable, net 3,803,448 3,125,808    
Non-PCI Loans [Member] | Real estate loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 3,268,698 2,825,718    
Non-PCI Loans [Member] | Real estate loans [Member] | Retail [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 857,629 735,501    
Non-PCI Loans [Member] | Real estate loans [Member] | Hotel/motel [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 649,540 539,345    
Non-PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 260,187 319,363    
Non-PCI Loans [Member] | Real estate loans [Member] | Other [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 1,107,589 973,243    
Non-PCI Loans [Member] | Real estate loans [Member] | Construction [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 55,962 23,387    
Non-PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 337,791 234,879    
Non-PCI Loans [Member] | Commercial and industrial loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 300,084 312,705    
Non-PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 138,032 152,602    
Non-PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial lines of credit [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 136,231 128,224    
Non-PCI Loans [Member] | Commercial and industrial loans [Member] | International loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 25,821 31,879    
Non-PCI Loans [Member] | Leases Receivable [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 243,294 0    
Non-PCI Loans [Member] | Consumer loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 22,830 24,879    
PCI Loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 9,863 20,014    
Allowance for loan and lease losses (971) (5,441) (1,026)  
Loans and leases receivable, net 8,892 14,573 $ 43,475 $ 0
PCI Loans [Member] | Real estate loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 9,677 19,796    
PCI Loans [Member] | Real estate loans [Member] | Retail [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 2,324 4,849    
Allowance for loan and lease losses (122) (269)    
Loans and leases receivable, net 2,202 4,580    
PCI Loans [Member] | Real estate loans [Member] | Hotel/motel [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 1,618 4,080    
Allowance for loan and lease losses (138) (88)    
Loans and leases receivable, net 1,480 3,992    
PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 2,692 4,292    
Allowance for loan and lease losses (589) (477)    
Loans and leases receivable, net 2,103 3,815    
PCI Loans [Member] | Real estate loans [Member] | Other [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 2,067 5,418    
PCI Loans [Member] | Real estate loans [Member] | Construction [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 0 0    
PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 976 1,157    
Allowance for loan and lease losses (72) (151)    
Loans and leases receivable, net 904 1,006    
PCI Loans [Member] | Commercial and industrial loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 136 171    
PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 136 171    
Allowance for loan and lease losses (41) (42)    
Loans and leases receivable, net 95 129    
PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial lines of credit [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 0 0    
PCI Loans [Member] | Commercial and industrial loans [Member] | International loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 0 0    
PCI Loans [Member] | Leases Receivable [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 0 0    
PCI Loans [Member] | Consumer loans [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total loans and leases 50 47    
Allowance for loan and lease losses (8) (2)    
Loans and leases receivable, net $ 42 $ 45