Quarterly report pursuant to Section 13 or 15(d)

Loans - Loans Receivable (Detail)

v3.5.0.2
Loans - Loans Receivable (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans $ 3,449,310   $ 3,183,316      
Allowance for loans losses (39,707)   (42,935)      
Loans receivable, net 3,409,603   3,140,381      
Real estate loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 3,131,572   2,845,514      
Real estate loans [Member] | Retail [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 793,511   740,350      
Real estate loans [Member] | Hospitality [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 606,076   543,425      
Real estate loans [Member] | Gas station [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 280,761   323,655      
Real estate loans [Member] | Other [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 1,128,346   978,661      
Real estate loans [Member] | Construction [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 26,382   23,387      
Real estate loans [Member] | Residential property [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 296,496   236,036      
Real estate loans [Member] | Commercial property [Member] | Owner occupied real estate [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 1,280,000   1,200,000      
Commercial and industrial loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 293,073   312,876      
Commercial and industrial loans [Member] | Commercial term [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 143,633   152,773      
Commercial and industrial loans [Member] | Commercial lines of credit [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 121,326   128,224      
Commercial and industrial loans [Member] | International loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 28,114   31,879      
Consumer loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 24,665   24,926      
Consumer loans [Member] | Home equity line of credit [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 20,600   21,800      
Non-PCI Loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 3,434,290   3,163,302 $ 2,840,264    
Allowance for loans losses (34,259) $ (35,381) (37,494) (49,468) $ (51,515) $ (51,640)
Loans receivable, net 3,400,031   3,125,808      
Non-PCI Loans [Member] | Real estate loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 3,116,749   2,825,718      
Non-PCI Loans [Member] | Real estate loans [Member] | Retail [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 790,968   735,501      
Non-PCI Loans [Member] | Real estate loans [Member] | Hospitality [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 602,826   539,345      
Non-PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 277,873   319,363      
Non-PCI Loans [Member] | Real estate loans [Member] | Other [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 1,123,195   973,243      
Non-PCI Loans [Member] | Real estate loans [Member] | Construction [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 26,382   23,387      
Non-PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 295,505   234,879      
Non-PCI Loans [Member] | Commercial and industrial loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 292,927   312,705      
Non-PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 143,487   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 gross loans 121,326   128,224      
Non-PCI Loans [Member] | Commercial and industrial loans [Member] | International loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 28,114   31,879      
Non-PCI Loans [Member] | Consumer loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 24,614   24,879      
PCI Loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 15,020   20,014 33,908    
Allowance for loans losses (5,448) $ (5,645) (5,441) (1,352) $ (1,436) (1,026)
Loans receivable, net 9,572   14,573 $ 32,556   $ 43,475
PCI Loans [Member] | Real estate loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 14,823   19,796      
PCI Loans [Member] | Real estate loans [Member] | Retail [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 2,543   4,849      
Allowance for loans losses (252)   (269)      
Loans receivable, net 2,291   4,580      
PCI Loans [Member] | Real estate loans [Member] | Hospitality [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 3,250   4,080      
Allowance for loans losses (32)   (88)      
Loans receivable, net 3,218   3,992      
PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 2,888   4,292      
Allowance for loans losses (527)   (477)      
Loans receivable, net 2,361   3,815      
PCI Loans [Member] | Real estate loans [Member] | Other [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 5,151   5,418      
PCI Loans [Member] | Real estate loans [Member] | Construction [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 0   0      
PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 991   1,157      
Allowance for loans losses (86)   (151)      
Loans receivable, net 905   1,006      
PCI Loans [Member] | Real estate loans [Member] | Commercial property [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 13,832   18,639      
PCI Loans [Member] | Commercial and industrial loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 146   171      
PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 146   171      
Allowance for loans losses (41)   (42)      
Loans receivable, net 105   129      
PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial lines of credit [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 0   0      
PCI Loans [Member] | Commercial and industrial loans [Member] | International loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 0   0      
PCI Loans [Member] | Consumer loans [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total gross loans 51   47      
Allowance for loans losses (7)   (2)      
Loans receivable, net $ 44   $ 45