XML 132 R116.htm IDEA: XBRL DOCUMENT v3.6.0.2
Derivative Instruments and Hedging Activities - Offsetting of Derivative Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Derivatives, Fair Value [Line Items]    
Gross Amount $ 47,267 $ 51,605
Gross Amounts Offset in the Balance Sheet, Derivative Liabilities 0 0
Net Amount Presented in the Balance Sheet 47,267 51,605
Subject to Master Netting Arrangements [Member]    
Derivatives, Fair Value [Line Items]    
Net Amount Presented in the Balance Sheet 35,217 51,453
Subject to Master Netting Arrangements [Member] | Interest Rate Contracts [Member]    
Derivatives, Fair Value [Line Items]    
Gross Amount 1,171 962
Gross Amounts Offset in the Balance Sheet, Derivative Liabilities 0 0
Net Amount Presented in the Balance Sheet 1,171 962
Subject to Master Netting Arrangements [Member] | Interest Rate Swap [Member]    
Derivatives, Fair Value [Line Items]    
Gross Amount 34,046 50,491
Gross Amounts Offset in the Balance Sheet, Derivative Liabilities 0 0
Net Amount Presented in the Balance Sheet 34,046 50,491
Not Subject to Master Netting Arrangements [Member]    
Derivatives, Fair Value [Line Items]    
Net Amount Presented in the Balance Sheet 12,050 152
Not Subject to Master Netting Arrangements [Member] | Interest Rate Swap [Member]    
Derivatives, Fair Value [Line Items]    
Gross Amount 11,866 1
Gross Amounts Offset in the Balance Sheet, Derivative Liabilities 0 0
Net Amount Presented in the Balance Sheet 11,866 1
Not Subject to Master Netting Arrangements [Member] | Credit Risk Contracts [Member]    
Derivatives, Fair Value [Line Items]    
Gross Amount 123 133
Gross Amounts Offset in the Balance Sheet, Derivative Liabilities 0 0
Net Amount Presented in the Balance Sheet 123 133
Not Subject to Master Netting Arrangements [Member] | Equity Contracts [Member]    
Derivatives, Fair Value [Line Items]    
Gross Amount 61 18
Gross Amounts Offset in the Balance Sheet, Derivative Liabilities 0 0
Net Amount Presented in the Balance Sheet $ 61 $ 18