Quarterly report pursuant to Section 13 or 15(d)

Loans - Troubled Debt Restructurings that Defaulted Subsequent to Modifications Occurring Within Previous Twelve Months, Disaggregated by Loan Class (Detail)

v3.5.0.2
Loans - Troubled Debt Restructurings that Defaulted Subsequent to Modifications Occurring Within Previous Twelve Months, Disaggregated by Loan Class (Detail)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
SecurityLoan
Jun. 30, 2015
USD ($)
SecurityLoan
Jun. 30, 2016
USD ($)
SecurityLoan
Jun. 30, 2015
USD ($)
SecurityLoan
Financing Receivable, Modifications [Line Items]        
Number of Loans | SecurityLoan 1 3 3 3
Recorded Investment | $ $ 55 $ 3,056 $ 484 $ 3,056
Real estate loans [Member] | Hospitality [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans | SecurityLoan 0 1    
Recorded Investment | $ $ 0 $ 821    
Real estate loans [Member] | Retail [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans | SecurityLoan     0 1
Recorded Investment | $     $ 0 $ 821
Real estate loans [Member] | Gas station [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans | SecurityLoan 0 1 0 1
Recorded Investment | $ $ 0 $ 1,856 $ 0 $ 1,856
Real estate loans [Member] | Other [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans | SecurityLoan 0 1 1 1
Recorded Investment | $ $ 0 $ 379 $ 399 $ 379
Commercial and industrial loans [Member] | Commercial term [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans | SecurityLoan 1 0 2 0
Recorded Investment | $ $ 55 $ 0 $ 85 $ 0