XML 77 R67.htm IDEA: XBRL DOCUMENT v3.7.0.1
Loans, Allowance for Loan Losses and Allowance for Unfunded Credit Commitments - Recorded Investment in Loans Modified in TDRs (Detail)
3 Months Ended
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
troubled_debt_restructuring
Financing Receivable, Modifications [Line Items]    
Modifications, Unfunded Commitments Available For Funding $ 2,900,000  
Financing Receivable, Modifications, Number of Contracts | troubled_debt_restructuring   21
Financing receivable modifications recorded investment modified during period 6,309,000 $ 11,359,000
Loans classified as TDRs, charge-offs 6,200,000 3,800,000
Financing receivable modifications recorded investment subsequently defaulted 3,641,000 0
Commercial loans    
Financing Receivable, Modifications [Line Items]    
Financing receivable modifications recorded investment modified during period 6,309,000 11,359,000
Financing receivable modifications recorded investment subsequently defaulted 3,105,000  
Consumer loans    
Financing Receivable, Modifications [Line Items]    
Financing receivable modifications recorded investment subsequently defaulted 536,000  
Commercial Portfolio Segment | Software/internet    
Financing Receivable, Modifications [Line Items]    
Financing receivable modifications recorded investment modified during period 6,309,000 10,854,000
Commercial Portfolio Segment | Hardware    
Financing Receivable, Modifications [Line Items]    
Financing receivable modifications recorded investment subsequently defaulted 3,105,000  
Commercial Portfolio Segment | Other    
Financing Receivable, Modifications [Line Items]    
Financing receivable modifications recorded investment modified during period 0 505,000
Consumer Portfolio Segment | Other    
Financing Receivable, Modifications [Line Items]    
Financing receivable modifications recorded investment modified during period 0 0
Financing receivable modifications recorded investment subsequently defaulted 536,000  
Payment deferrals granted    
Financing Receivable, Modifications [Line Items]    
Financing receivable modifications recorded investment modified during period $ 6,300,000 $ 2,400,000