XML 44 R62.htm IDEA: XBRL DOCUMENT v2.4.0.8
Loans - Net (Charge-Offs)/Recoveries, Segregated by Class of Loans (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net charge-offs $ (3,882) $ (16,864)
Commercial and industrial, Energy [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net charge-offs (13) 0
Commercial and industrial, Other commercial [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net charge-offs (1,683) (16,527)
Commercial real estate, Buildings, land and other [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net charge-offs (1,618) 215
Commercial real estate, Construction [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net charge-offs 40 114
Consumer Real Estate [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net charge-offs 23 (276)
Consumer and Other [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net charge-offs $ (631) $ (390)