TWO Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

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

Basis of Presentation and Significant Accounting Policies Offsetting Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Derivative Financial Instruments, Assets [Member]
Offsetting Assets and Liabilities [Line Items]
Gross Amount of Recognized Assets (Liabilities)	$ 371,007	$ 572,050
Gross Amounts Offset on the Balance Sheet	(39,406)	(22,191)
Net Amount of Assets (Liabilities) Presented on the Balance Sheet	331,601	549,859
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet	(17,097)	(22,081)
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	314,504	527,778
Assets [Member]
Offsetting Assets and Liabilities [Line Items]
Gross Amount of Recognized Assets (Liabilities)	371,007	572,050
Gross Amounts Offset on the Balance Sheet	(39,406)	(22,191)
Net Amount of Assets (Liabilities) Presented on the Balance Sheet	331,601	549,859
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet	(17,097)	(22,081)
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	314,504	527,778
Federal Funds Purchased and Securities Sold under Agreements to Repurchase [Member]
Offsetting Assets and Liabilities [Line Items]
Gross Amount of Recognized Assets (Liabilities)	(11,391,187)	(12,250,450)
Gross Amounts Offset on the Balance Sheet	0	0
Net Amount of Assets (Liabilities) Presented on the Balance Sheet	(11,391,187)	(12,250,450)
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet	11,391,187	12,250,450
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
Federal Home Loan Bank Advances [Member]
Offsetting Assets and Liabilities [Line Items]
Gross Amount of Recognized Assets (Liabilities)	(1,500,000)
Gross Amounts Offset on the Balance Sheet	0
Net Amount of Assets (Liabilities) Presented on the Balance Sheet	(1,500,000)
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet	1,500,000
Gross Amounts of Cash Collateral Not Offset on the Balance Sheet	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
Derivative Financial Instruments, Liabilities [Member]
Offsetting Assets and Liabilities [Line Items]
Gross Amount of Recognized Assets (Liabilities)	(56,503)	(44,272)
Gross Amounts Offset on the Balance Sheet	39,406	22,191
Net Amount of Assets (Liabilities) Presented on the Balance Sheet	(17,097)	(22,081)
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet	17,097	22,081
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)	(12,947,690)	(12,294,722)
Gross Amounts Offset on the Balance Sheet	39,406	22,191
Net Amount of Assets (Liabilities) Presented on the Balance Sheet	(12,908,284)	(12,272,531)
Gross Amounts of Financial Instruments Not Offset on the Balance Sheet	12,908,284	12,272,531
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