XML 43 R45.htm IDEA: XBRL DOCUMENT v3.3.0.814
Loans and Lease Finance Receivables and Allowance for Loan Losses - Schedule of Recorded Investment in, and Aging of, Past Due and Nonaccrual Loans, Excluding PCI Loans by Type of Loans (Parenthetical) (Detail) - USD ($)
Sep. 30, 2015
Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Nonaccruing loans, current $ 19,100,000 $ 20,100,000
Nonaccruing loans, 30-59 days past due 371,000 3,700,000
Nonaccruing loans, 60-89 days past due 2,300,000  
90+ Days Past Due [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Nonaccruing loans, 90+ days past due $ 1,900,000 $ 8,500,000