Annual report pursuant to Section 13 and 15(d)

Schedule of Available-for-Sale Securities Reconciliation, Non-Agency Unamortized Net Discount and Designated Credit Reserves (Details)

v2.4.0.8
Schedule of Available-for-Sale Securities Reconciliation, Non-Agency Unamortized Net Discount and Designated Credit Reserves (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Available-for-sale Securities, Designated Credit Reserve [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Unamortized Discount, Beginning Balance $ (1,290,946) $ (782,606)
Available-for-sale Securities, Unamortized Discount, Acquisitions (179,678) (634,890)
Available-for-sale Securities, Unamortized Discount, Accretion 886 493
Available-for-sale Securities, Unamortized Discount, Credit Losses 33,130 47,344
Available-for-sale Securities, Unamortized Discount, Other-than-temporary Impairment Adjustment (1,662) (10,952)
Available-for-sale Securities, Unamortized Discount, Transfers 97,101 65,401
Available-for-sale Securities, Unamortized Discount, Sales, Calls and Other 106,720 24,264
Available-for-sale Securities, Unamortized Discount, Ending Balance (1,234,449) (1,290,946)
Available-for-sale Securities, Net, Unamortized [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Unamortized Discount, Beginning Balance (996,490) (540,969)
Available-for-sale Securities, Unamortized Discount, Acquisitions (369,651) (553,868)
Available-for-sale Securities, Unamortized Discount, Accretion 142,321 135,988
Available-for-sale Securities, Unamortized Discount, Credit Losses 0 0
Available-for-sale Securities, Unamortized Discount, Other-than-temporary Impairment Adjustment 0 0
Available-for-sale Securities, Unamortized Discount, Transfers (97,101) (65,401)
Available-for-sale Securities, Unamortized Discount, Sales, Calls and Other 249,362 27,760
Available-for-sale Securities, Unamortized Discount, Ending Balance (1,071,559) (996,490)
Available-for-sale Securities, Unamortized Discount [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Unamortized Discount, Beginning Balance (2,287,436) (1,323,575)
Available-for-sale Securities, Unamortized Discount, Acquisitions (549,329) (1,188,758)
Available-for-sale Securities, Unamortized Discount, Accretion 143,207 136,481
Available-for-sale Securities, Unamortized Discount, Credit Losses 33,130 47,344
Available-for-sale Securities, Unamortized Discount, Other-than-temporary Impairment Adjustment (1,662) (10,952)
Available-for-sale Securities, Unamortized Discount, Transfers 0 0
Available-for-sale Securities, Unamortized Discount, Sales, Calls and Other 356,082 52,024
Available-for-sale Securities, Unamortized Discount, Ending Balance $ (2,306,008) $ (2,287,436)