Quarterly report pursuant to Section 13 or 15(d)

Loans - Credit Quality of PCI Loan (Detail)

v3.5.0.2
Loans - Credit Quality of PCI Loan (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans $ 3,449,310   $ 3,183,316      
Allowance 39,707   42,935      
Loans receivable, net 3,409,603   3,140,381      
Real estate loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 3,131,572   2,845,514      
Real estate loans [Member] | Retail [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 793,511   740,350      
Real estate loans [Member] | Hospitality [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 606,076   543,425      
Real estate loans [Member] | Gas station [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 280,761   323,655      
Real estate loans [Member] | Residential property [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 296,496   236,036      
Commercial and industrial loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 293,073   312,876      
Commercial and industrial loans [Member] | Commercial term [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 143,633   152,773      
Consumer loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 24,665   24,926      
PCI Loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 15,020   20,014 $ 33,908    
Allowance 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]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 14,823   19,796      
PCI Loans [Member] | Real estate loans [Member] | Retail [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 2,543   4,849      
Allowance 252   269      
Loans receivable, net 2,291   4,580      
PCI Loans [Member] | Real estate loans [Member] | Hospitality [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 3,250   4,080      
Allowance 32   88      
Loans receivable, net 3,218   3,992      
PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 2,888   4,292      
Allowance 527   477      
Loans receivable, net 2,361   3,815      
PCI Loans [Member] | Real estate loans [Member] | Other [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 5,151   5,418      
Allowance 4,503   4,412      
Loans receivable, net 648   1,006      
PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 991   1,157      
Allowance 86   151      
Loans receivable, net 905   1,006      
PCI Loans [Member] | Commercial and industrial loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 146   171      
PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 146   171      
Allowance 41   42      
Loans receivable, net 105   129      
PCI Loans [Member] | Consumer loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 51   47      
Allowance 7   2      
Loans receivable, net 44   45      
Pass/Pass-Watch [Member] | PCI Loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 1,245   1,185      
Pass/Pass-Watch [Member] | PCI Loans [Member] | Real estate loans [Member] | Retail [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 0   0      
Pass/Pass-Watch [Member] | PCI Loans [Member] | Real estate loans [Member] | Hospitality [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 181   186      
Pass/Pass-Watch [Member] | PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 79   0      
Pass/Pass-Watch [Member] | PCI Loans [Member] | Real estate loans [Member] | Other [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 0   0      
Pass/Pass-Watch [Member] | PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 985   999      
Pass/Pass-Watch [Member] | PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 0   0      
Pass/Pass-Watch [Member] | PCI Loans [Member] | Consumer loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 0   0      
Special Mention [Member] | PCI Loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 153   176      
Special Mention [Member] | PCI Loans [Member] | Real estate loans [Member] | Retail [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans     0      
Special Mention [Member] | PCI Loans [Member] | Real estate loans [Member] | Hospitality [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans     0      
Special Mention [Member] | PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 153   176      
Special Mention [Member] | PCI Loans [Member] | Real estate loans [Member] | Other [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans     0      
Special Mention [Member] | PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans     0      
Special Mention [Member] | PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans     0      
Special Mention [Member] | PCI Loans [Member] | Consumer loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans     0      
Classified [Member] | PCI Loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 13,622   18,653      
Classified [Member] | PCI Loans [Member] | Real estate loans [Member] | Retail [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 2,543   4,849      
Classified [Member] | PCI Loans [Member] | Real estate loans [Member] | Hospitality [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 3,069   3,894      
Classified [Member] | PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 2,656   4,116      
Classified [Member] | PCI Loans [Member] | Real estate loans [Member] | Other [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 5,151   5,418      
Classified [Member] | PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 6   158      
Classified [Member] | PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans 146   171      
Classified [Member] | PCI Loans [Member] | Consumer loans [Member]            
Financing Receivable, Recorded Investment [Line Items]            
Total gross loans $ 51   $ 47