Annual report pursuant to Section 13 and 15(d)

Loans - Troubled Debt Restructuring, Disaggregated by Loan Class (Detail)

v2.4.0.8
Loans - Troubled Debt Restructuring, Disaggregated by Loan Class (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
SecurityLoan
Dec. 31, 2012
SecurityLoan
Dec. 31, 2011
SecurityLoan
Financing Receivable, Modifications [Line Items]      
Number of Loans 33 59 98
Pre-Modification Outstanding Recorded Investment $ 9,777 $ 16,320 $ 45,114
Post-Modification Outstanding Recorded Investment 8,576 15,046 42,115
Consumer loans [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of Loans 1    
Pre-Modification Outstanding Recorded Investment 149    
Post-Modification Outstanding Recorded Investment 149    
Real estate loans [Member] | Retail [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of Loans    2 2
Pre-Modification Outstanding Recorded Investment    562 1,260
Post-Modification Outstanding Recorded Investment    533 1,260
Real estate loans [Member] | Other [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of Loans 1 1 2
Pre-Modification Outstanding Recorded Investment 658 547 2,387
Post-Modification Outstanding Recorded Investment 645 527 2,381
Real estate loans [Member] | Residential property [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of Loans      3
Pre-Modification Outstanding Recorded Investment     2,740
Post-Modification Outstanding Recorded Investment     2,739
Commercial and Industrial loans [Member] | Unsecured [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of Loans 19 37 50
Pre-Modification Outstanding Recorded Investment 4,060 6,024 15,410
Post-Modification Outstanding Recorded Investment 3,528 5,277 14,797
Commercial and Industrial loans [Member] | Secured by real estate [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of Loans 5 7 12
Pre-Modification Outstanding Recorded Investment 2,833 7,963 15,363
Post-Modification Outstanding Recorded Investment 2,755 7,570 14,268
Commercial and Industrial loans [Member] | Commercial lines of credit [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of Loans 2 1  
Pre-Modification Outstanding Recorded Investment 220 202  
Post-Modification Outstanding Recorded Investment 191 188  
Commercial and Industrial loans [Member] | SBA loans [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of Loans 3 11 29
Pre-Modification Outstanding Recorded Investment 273 1,022 7,954
Post-Modification Outstanding Recorded Investment 221 951 6,670
Commercial and Industrial loans [Member] | International loans [Member]
      
Financing Receivable, Modifications [Line Items]      
Number of Loans 2    
Pre-Modification Outstanding Recorded Investment 1,584    
Post-Modification Outstanding Recorded Investment $ 1,087