Quarterly report pursuant to Section 13 or 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
 3 Months Ended 6 Months Ended
Jun. 30, 2013
SecurityLoan
Jun. 30, 2012
SecurityLoan
Jun. 30, 2013
SecurityLoan
Jun. 30, 2012
SecurityLoan
Financing Receivable, Modifications [Line Items]        
Number of Loans 9 16 13 40
Pre-Modification Outstanding Recorded Investment $ 815 $ 2,895 $ 2,658 $ 8,084
Post-Modification Outstanding Recorded Investment 787 2,791 2,268 7,696
International loans [Member] | Commercial and industrial loans [Member]
        
Financing Receivable, Modifications [Line Items]        
Number of Loans     2  
Pre-Modification Outstanding Recorded Investment     1,584  
Post-Modification Outstanding Recorded Investment     1,280  
Unsecured [Member] | Commercial and industrial loans [Member]
        
Financing Receivable, Modifications [Line Items]        
Number of Loans 6 10 7 27
Pre-Modification Outstanding Recorded Investment 518 1,640 764 4,696
Post-Modification Outstanding Recorded Investment 498 1,588 692 4,426
Secured by real estate [Member] | Commercial and industrial loans [Member]
        
Financing Receivable, Modifications [Line Items]        
Number of Loans   1   3
Pre-Modification Outstanding Recorded Investment   378   2,211
Post-Modification Outstanding Recorded Investment   358   2,144
Commercial lines of credit [Member] | Commercial and industrial loans [Member]
        
Financing Receivable, Modifications [Line Items]        
Number of Loans 1 1 1 1
Pre-Modification Outstanding Recorded Investment   196   202
Post-Modification Outstanding Recorded Investment   192   192
SBA loans [Member] | Commercial and industrial loans [Member]
        
Financing Receivable, Modifications [Line Items]        
Number of Loans 1 4 2 9
Pre-Modification Outstanding Recorded Investment 148 681 161 975
Post-Modification Outstanding Recorded Investment 140 653 147 934
Consumer loans [Member]
        
Financing Receivable, Modifications [Line Items]        
Number of Loans 1      
Pre-Modification Outstanding Recorded Investment 149      
Post-Modification Outstanding Recorded Investment 149      
Consumer loans [Member] | Commercial and industrial loans [Member]
        
Financing Receivable, Modifications [Line Items]        
Number of Loans     1  
Pre-Modification Outstanding Recorded Investment     149  
Post-Modification Outstanding Recorded Investment     $ 149