XML 114 R159.htm IDEA: XBRL DOCUMENT v3.2.0.727
Offsetting of financial assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Derivative Asset Fair Value Net [Abstract]    
Derivative Fair Value Of Derivative Asset Before Netting Agreements $ 21,716 $ 25,361
Derivative Asset, Fair Value, Gross Liability 0 0
Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral 21,716 25,361
Derivative Asset Fair Value Gross Liability Not Offset 296 320
Derivative Collateral Obligation To Return Securities 0 0
Derivative Collateral Obligation to Return Cash That Not Exceed Net Amount Presented 0 0
Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral 21,420 25,041
Securities Purchased Under Agreements To Resell Amount Offset Against Collateral [Abstract]    
Securities Purchased Under Agreements To Resell Gross 138,067 151,134
Securities Purchased Under Agreements To Resell Liability 0 0
Securities Purchased Under Agreements To Resell Securities Borrowed 138,067 151,134
Securities Purchased Under Agreements To Resell Not Offset 0 0
Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities 138,067 151,134
Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash 0 0
Securities Purchased under Agreements to Resell, Amount Offset Against Collateral, Total 0 0
Offsetting Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed [Abstract]    
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Gross 159,783 176,495
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability 0 0
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed 159,783 176,495
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability Not Offset 296 320
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Securities 138,067 151,134
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Cash 0 0
Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral $ 21,420 $ 25,041