XML 117 R103.htm IDEA: XBRL DOCUMENT v3.6.0.2
Schedule of Contractual Maturities of Repurchase Agreements by Type of Collateral Pledged (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase $ 98,005 $ 138,614
Overnight and Continuous    
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase 70,915  
Greater Than 90 Days    
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase 27,090  
Municipal securities    
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase 45,618  
Municipal securities | Overnight and Continuous    
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase 44,414  
Municipal securities | Greater Than 90 Days    
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase 1,204  
U.S. Agency securities    
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase 18,680  
U.S. Agency securities | Overnight and Continuous    
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase 18,680  
Mortgage-backed Agency securities    
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase 33,707  
Mortgage-backed Agency securities | Overnight and Continuous    
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase 7,821  
Mortgage-backed Agency securities | Greater Than 90 Days    
Assets Sold under Agreements to Repurchase [Line Items]    
Securities sold under agreements to repurchase $ 25,886