Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities Schedule of Interest Rate Swap Receivers Associated with TBA Contracts and MSRs (Details)

v2.4.0.8
Derivative Instruments and Hedging Activities Schedule of Interest Rate Swap Receivers Associated with TBA Contracts and MSRs (Details) (Interest Rate Risk Associated with TBAs and MSR [Member], Short [Member], Interest Rate Swap [Member], USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Derivative [Line Items]    
Derivative, Notional Amount $ 1,604,000 $ 1,055,000
Derivative Maturity Over Four Years From Balance Sheet Date [Member]
   
Derivative [Line Items]    
Derivative, Notional Amount $ 1,604,000 $ 1,055,000
Derivative, Average Fixed Interest Rate 2.134% 1.736%
Derivative, Average Variable Interest Rate 0.235% 0.239%
Derivative, Weighted Average Remaining Maturity 6.872 5.654