Annual report pursuant to Section 13 and 15(d)

Loans - Credit Quality of PCI Loan (Detail)

v3.3.1.900
Loans - Credit Quality of PCI Loan (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Aug. 31, 2014
Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]        
Total $ 3,183,316 $ 2,788,498    
Allowance Amount 42,935 52,666    
Loans receivable, net 3,140,381 2,735,832    
Real estate loans [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 2,845,514 2,511,429    
Real estate loans [Member] | Retail [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 740,350 684,400    
Real estate loans [Member] | Hotel/motel [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 543,425 462,718    
Real estate loans [Member] | Gas station [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 323,655 370,416    
Real estate loans [Member] | Residential property [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 236,036 135,462    
Commercial and industrial loans [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 312,876 249,480    
Commercial and industrial loans [Member] | Commercial term [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 152,773 116,536    
Consumer loans [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 24,926 27,589    
PCI Loans [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 20,014 44,501 $ 65,346  
Allowance Amount 5,441 1,026    
Loans receivable, net 14,573 43,475   $ 0
PCI Loans [Member] | Pass/Pass-Watch [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 1,185 1,207    
PCI Loans [Member] | Special Mention [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 176 1,461    
PCI Loans [Member] | Classified [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 18,653 41,833    
PCI Loans [Member] | Real estate loans [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 19,796   64,823  
PCI Loans [Member] | Real estate loans [Member] | Retail [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 4,849 8,535    
Allowance Amount 269 401    
Loans receivable, net 4,580 8,134    
PCI Loans [Member] | Real estate loans [Member] | Hotel/motel [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 4,080 7,682    
Allowance Amount 88 99    
Loans receivable, net 3,992 7,583    
PCI Loans [Member] | Real estate loans [Member] | Gas station [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 4,292 7,745    
Allowance Amount 477 302    
Loans receivable, net 3,815 7,443    
PCI Loans [Member] | Real estate loans [Member] | Other [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 5,418 5,796    
Allowance Amount 4,412 65    
Loans receivable, net 1,006 5,731    
PCI Loans [Member] | Real estate loans [Member] | Residential property [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 1,157 14,371 4,472  
Allowance Amount 151 28    
Loans receivable, net 1,006 14,343    
PCI Loans [Member] | Real estate loans [Member] | Pass/Pass-Watch [Member] | Retail [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 1,207    
PCI Loans [Member] | Real estate loans [Member] | Pass/Pass-Watch [Member] | Hotel/motel [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 186 0    
PCI Loans [Member] | Real estate loans [Member] | Pass/Pass-Watch [Member] | Gas station [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 0    
PCI Loans [Member] | Real estate loans [Member] | Pass/Pass-Watch [Member] | Other [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 0    
PCI Loans [Member] | Real estate loans [Member] | Pass/Pass-Watch [Member] | Residential property [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 999 0    
PCI Loans [Member] | Real estate loans [Member] | Special Mention [Member] | Retail [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 219    
PCI Loans [Member] | Real estate loans [Member] | Special Mention [Member] | Hotel/motel [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 0    
PCI Loans [Member] | Real estate loans [Member] | Special Mention [Member] | Gas station [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 176 1,242    
PCI Loans [Member] | Real estate loans [Member] | Special Mention [Member] | Other [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 0    
PCI Loans [Member] | Real estate loans [Member] | Special Mention [Member] | Residential property [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 0    
PCI Loans [Member] | Real estate loans [Member] | Classified [Member] | Retail [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 4,849 7,109    
PCI Loans [Member] | Real estate loans [Member] | Classified [Member] | Hotel/motel [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 3,894 7,682    
PCI Loans [Member] | Real estate loans [Member] | Classified [Member] | Gas station [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 4,116 6,503    
PCI Loans [Member] | Real estate loans [Member] | Classified [Member] | Other [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 5,418 5,796    
PCI Loans [Member] | Real estate loans [Member] | Classified [Member] | Residential property [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 158 14,371    
PCI Loans [Member] | Commercial and industrial loans [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 171   506  
PCI Loans [Member] | Commercial and industrial loans [Member] | Commercial term [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 171 327    
Allowance Amount 42 131    
Loans receivable, net 129 196    
PCI Loans [Member] | Commercial and industrial loans [Member] | Pass/Pass-Watch [Member] | Commercial term [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 0    
PCI Loans [Member] | Commercial and industrial loans [Member] | Special Mention [Member] | Commercial term [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 0    
PCI Loans [Member] | Commercial and industrial loans [Member] | Classified [Member] | Commercial term [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 171 327    
PCI Loans [Member] | Consumer loans [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 47 45 $ 17  
Allowance Amount 2 0    
Loans receivable, net 45 45    
PCI Loans [Member] | Consumer loans [Member] | Pass/Pass-Watch [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 0    
PCI Loans [Member] | Consumer loans [Member] | Special Mention [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total 0 0    
PCI Loans [Member] | Consumer loans [Member] | Classified [Member]        
Financing Receivable, Recorded Investment [Line Items]        
Total $ 47 $ 45