Annual report pursuant to Section 13 and 15(d)

Loans - Credit Quality of Loan Portfolio (Detail)

v2.4.0.6
Loans - Credit Quality of Loan Portfolio (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]    
Total Loans $ 2,048,560 $ 1,938,740
Real Estate Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 888,872 749,920
Real Estate Loans [Member] | Retail [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 392,945 312,457
Real Estate Loans [Member] | Land [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 14,007 7,769
Real Estate Loans [Member] | Other [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 380,142 342,797
Real Estate Loans [Member] | Construction [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans    33,976
Real Estate Loans [Member] | Residential Property [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 101,778 52,921
Commercial and Industrial Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,123,012 1,145,474
Commercial and Industrial Loans [Member] | Unsecured [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 110,172 151,280
Commercial and Industrial Loans [Member] | Secured By Real Estate [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 774,192 793,556
Commercial and Industrial Loans [Member] | Commercial Lines of Credit [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 56,121 55,770
Commercial and Industrial Loans [Member] | SBA Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 148,306 116,192
Commercial and Industrial Loans [Member] | International Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 34,221 28,676
Consumer Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 36,676 43,346
Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,913,379 1,588,205
Pass [Member] | Real Estate Loans [Member] | Retail [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 386,650 292,914
Pass [Member] | Real Estate Loans [Member] | Land [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 5,491 4,351
Pass [Member] | Real Estate Loans [Member] | Other [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 366,518 297,734
Pass [Member] | Real Estate Loans [Member] | Construction [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans      
Pass [Member] | Real Estate Loans [Member] | Residential Property [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 99,250 48,592
Pass [Member] | Commercial and Industrial Loans [Member] | Unsecured [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 87,370 100,804
Pass [Member] | Commercial and Industrial Loans [Member] | Secured By Real Estate [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 710,723 634,822
Pass [Member] | Commercial and Industrial Loans [Member] | Commercial Lines of Credit [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 53,391 44,985
Pass [Member] | Commercial and Industrial Loans [Member] | SBA Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 136,058 96,983
Pass [Member] | Commercial and Industrial Loans [Member] | International Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 34,221 26,566
Pass [Member] | Consumer Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 33,707 40,454
Criticized [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 31,987 86,184
Criticized [Member] | Real Estate Loans [Member] | Retail [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 3,971 8,858
Criticized [Member] | Real Estate Loans [Member] | Land [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans      
Criticized [Member] | Real Estate Loans [Member] | Other [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 12,132 8,428
Criticized [Member] | Real Estate Loans [Member] | Construction [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans    14,080
Criticized [Member] | Real Estate Loans [Member] | Residential Property [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans      
Criticized [Member] | Commercial and Industrial Loans [Member] | Unsecured [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 663 8,680
Criticized [Member] | Commercial and Industrial Loans [Member] | Secured By Real Estate [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 13,038 36,290
Criticized [Member] | Commercial and Industrial Loans [Member] | Commercial Lines of Credit [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 863 7,676
Criticized [Member] | Commercial and Industrial Loans [Member] | SBA Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,119 1,496
Criticized [Member] | Commercial and Industrial Loans [Member] | International Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans      
Criticized [Member] | Consumer Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 201 676
Classified Grade [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 103,194 264,351
Classified Grade [Member] | Real Estate Loans [Member] | Retail [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 2,324 10,685
Classified Grade [Member] | Real Estate Loans [Member] | Land [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 8,516 3,418
Classified Grade [Member] | Real Estate Loans [Member] | Other [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,492 36,635
Classified Grade [Member] | Real Estate Loans [Member] | Construction [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans    19,896
Classified Grade [Member] | Real Estate Loans [Member] | Residential Property [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 2,528 4,329
Classified Grade [Member] | Commercial and Industrial Loans [Member] | Unsecured [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 22,139 41,796
Classified Grade [Member] | Commercial and Industrial Loans [Member] | Secured By Real Estate [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 50,431 122,444
Classified Grade [Member] | Commercial and Industrial Loans [Member] | Commercial Lines of Credit [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 1,867 3,109
Classified Grade [Member] | Commercial and Industrial Loans [Member] | SBA Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans 11,129 17,713
Classified Grade [Member] | Commercial and Industrial Loans [Member] | International Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans    2,110
Classified Grade [Member] | Consumer Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Total Loans $ 2,768 $ 2,216