Annual report pursuant to Section 13 and 15(d)

Loans - Non-Accrual Loans, Disaggregated by Loan Class (Detail)

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Loans - Non-Accrual Loans, Disaggregated by Loan Class (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans $ 25,877 $ 37,279
Real estate loans [Member] | Retail [Member]
   
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans 2,946 1,079
Real estate loans [Member] | Land [Member]
   
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans    2,097
Real estate loans [Member] | Other [Member]
   
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans 574  
Real estate loans [Member] | Construction [Member]
   
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans     
Real estate loans [Member] | Residential property [Member]
   
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans 1,365 1,270
Commercial and Industrial loans [Member] | Unsecured [Member]
   
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans 3,144 8,311
Commercial and Industrial loans [Member] | Secured by real estate [Member]
   
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans 6,773 8,679
Commercial and Industrial loans [Member] | Commercial lines of credit [Member]
   
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans 423 1,521
Commercial and Industrial loans [Member] | SBA loans [Member]
   
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans 9,155 12,563
Consumer loans [Member]
   
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Total non-accrual loans $ 1,497 $ 1,759