Annual report pursuant to Section 13 and 15(d)

Derivative Instruments and Hedging Activities Schedule of Interest Rate Swap Payers Associated with Available-for-Sale Securities (Details)

v2.4.0.8
Derivative Instruments and Hedging Activities Schedule of Interest Rate Swap Payers Associated with Available-for-Sale Securities (Details) (Interest Rate Swap Payers Associated with Available-for-Sale Securities [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Derivative [Line Items]  
Derivative, Notional Amount $ 2,040,000
Derivative Maturity Over Four Years From Balance Sheet Date [Member]
 
Derivative [Line Items]  
Derivative, Notional Amount $ 2,040,000
Derivative, Average Fixed Interest Rate 1.563%
Derivative, Average Variable Interest Rate 0.241%
Derivative, Weighted Average Remaining Maturity 4.944