Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Significant Accounting Policies Offsetting Assets and Liabilities (Details)

v3.3.0.814
Basis of Presentation and Significant Accounting Policies Offsetting Assets and Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Derivative Financial Instruments, Assets [Member]    
Offsetting Assets and Liabilities [Line Items]    
Gross Amount of Recognized Assets (Liabilities) $ 398,472 $ 443,490
Gross Amounts Offset on the Balance Sheet (101,741) (62,699)
Net Amount of Assets (Liabilities) Presented on the Balance Sheet 296,731 380,791
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet (81,473) (90,233)
Gross Amounts of Cash Collateral Not Offset on the Balance Sheet 0 0
Net Amount After Deducting Gross Amounts Not Offset on the Balance Sheet From Net Amount of Assets (Liabilities) Presented on the Balance Sheet 215,258 290,558
Assets [Member]    
Offsetting Assets and Liabilities [Line Items]    
Gross Amount of Recognized Assets (Liabilities) 398,472 443,490
Gross Amounts Offset on the Balance Sheet (101,741) (62,699)
Net Amount of Assets (Liabilities) Presented on the Balance Sheet 296,731 380,791
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet (81,473) (90,233)
Gross Amounts of Cash Collateral Not Offset on the Balance Sheet 0 0
Net Amount After Deducting Gross Amounts Not Offset on the Balance Sheet From Net Amount of Assets (Liabilities) Presented on the Balance Sheet 215,258 290,558
Securities Loaned or Sold under Agreements to Repurchase [Member]    
Offsetting Assets and Liabilities [Line Items]    
Gross Amount of Recognized Assets (Liabilities) (7,982,928) (12,932,463)
Gross Amounts Offset on the Balance Sheet 0 0
Net Amount of Assets (Liabilities) Presented on the Balance Sheet (7,982,928) (12,932,463)
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet 7,982,928 12,932,463
Gross Amounts of Cash Collateral Not Offset on the Balance Sheet 0 0
Net Amount After Deducting Gross Amounts Not Offset on the Balance Sheet From Net Amount of Assets (Liabilities) Presented on the Balance Sheet 0 0
Derivative Financial Instruments, Liabilities [Member]    
Offsetting Assets and Liabilities [Line Items]    
Gross Amount of Recognized Assets (Liabilities) (183,214) (152,932)
Gross Amounts Offset on the Balance Sheet 101,741 62,699
Net Amount of Assets (Liabilities) Presented on the Balance Sheet (81,473) (90,233)
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet 81,473 90,233
Gross Amounts of Cash Collateral Not Offset on the Balance Sheet 0 0
Net Amount After Deducting Gross Amounts Not Offset on the Balance Sheet From Net Amount of Assets (Liabilities) Presented on the Balance Sheet 0 0
Liability [Member]    
Offsetting Assets and Liabilities [Line Items]    
Gross Amount of Recognized Assets (Liabilities) (8,166,142) (13,085,395)
Gross Amounts Offset on the Balance Sheet 101,741 62,699
Net Amount of Assets (Liabilities) Presented on the Balance Sheet (8,064,401) (13,022,696)
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet 8,064,401 13,022,696
Gross Amounts of Cash Collateral Not Offset on the Balance Sheet 0 0
Net Amount After Deducting Gross Amounts Not Offset on the Balance Sheet From Net Amount of Assets (Liabilities) Presented on the Balance Sheet $ 0 $ 0