Annual report pursuant to Section 13 and 15(d)

Fair Value by Balance Sheet Grouping (Details)

v3.3.1.900
Fair Value by Balance Sheet Grouping (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Available-for-sale securities $ 7,825,320 $ 14,341,102    
Trading securities 0 1,997,656    
Residential mortgage loans held-for-sale 811,431 535,712    
Residential mortgage loans held-for-investment in securitization trusts 3,173,727 1,744,746    
Commercial real estate assets 660,953 0 $ 0 $ 0
Mortgage servicing rights 493,688 452,006 514,402 0
Cash and cash equivalents 737,831 1,005,792 $ 1,025,487 $ 821,108
Restricted cash 262,562 336,771    
Derivative assets 271,509 380,791    
Federal Home Loan Bank Stock 156,650 100,010    
Equity investments 3,000 3,000    
Repurchase agreements 5,008,274 12,932,463    
Collateralized borrowings in securitization trusts, at fair value 2,000,110 1,209,663    
Federal Home Loan Bank advances 3,785,000 2,500,000    
Derivative liabilities 7,285 90,233    
Federal Home Loan Bank of Des Moines [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Federal Home Loan Bank advances $ 3,785,000 $ 2,500,000