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)

v3.3.0.814
Loans - Troubled Debt Restructurings that Defaulted Subsequent to Modifications Occurring Within Previous Twelve Months, Disaggregated by Loan Class (Detail)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
USD ($)
SecurityLoan
Sep. 30, 2014
USD ($)
SecurityLoan
Sep. 30, 2015
USD ($)
SecurityLoan
Sep. 30, 2014
USD ($)
SecurityLoan
Financing Receivable, Modifications [Line Items]        
Number of Loans | SecurityLoan 1 5 1 6
Recorded Investment $ 466 $ 2,315 $ 466 $ 2,449
Real estate loans [Member] | Retail [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] | Hospitality [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans | SecurityLoan 1 0 1 0
Recorded Investment $ 466 $ 0 $ 466 $ 0
Commercial and industrial loans [Member] | Commercial term [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans | SecurityLoan 0 2 0 2
Recorded Investment $ 0 $ 47 $ 0 $ 47
Commercial and industrial loans [Member] | Commercial lines of credit [Member]        
Financing Receivable, Modifications [Line Items]        
Number of Loans | SecurityLoan 0 2 0 3
Recorded Investment $ 0 $ 412 $ 0 $ 546