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)

v3.2.0.727
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, 2015
USD ($)
SecurityLoan
Jun. 30, 2014
USD ($)
SecurityLoan
Jun. 30, 2015
USD ($)
SecurityLoan
Jun. 30, 2014
USD ($)
SecurityLoan
Financing Receivable, Modifications [Line Items]        
Number of Loans 3 3 3 6
Recorded Investment | $ $ 3,056 $ 352 $ 3,056 $ 2,021
Real estate loans [Member] | Retail [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans 0 0 0 1
Recorded Investment | $ $ 0 $ 0 $ 0 $ 309
Real estate loans [Member] | Hospitality [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans 1 0 1 1
Recorded Investment | $ $ 821 $ 0 $ 821 $ 996
Real estate loans [Member] | Gas station [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans 1 0 1 0
Recorded Investment | $ $ 1,856 $ 0 $ 1,856 $ 0
Real estate loans [Member] | Other [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans 1 0 1 1
Recorded Investment | $ $ 379 $ 0 $ 379 $ 364
Commercial and industrial loans [Member] | Commercial term [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans 0 2 0 2
Recorded Investment | $ $ 0 $ 212 $ 0 $ 212
Commercial and industrial loans [Member] | Commercial lines of credit [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans 0 1 0 1
Recorded Investment | $ $ 0 $ 140 $ 0 $ 140