Quarterly report pursuant to Section 13 or 15(d)

Fair Value by Balance Sheet Grouping (Details)

v3.19.2
Fair Value by Balance Sheet Grouping (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]            
Available-for-sale securities, at fair value $ 30,186,079   $ 25,552,604      
Mortgage servicing rights, at fair value 1,800,826 $ 2,014,370 1,993,440 $ 1,450,261 $ 1,301,023 $ 1,086,717
Cash and cash equivalents 433,579   409,758      
Restricted cash 358,109   688,006      
Derivative assets, at fair value 246,995   319,981      
Reverse repurchase agreements 109,500   761,815      
Other assets 18,344   74,412      
Repurchase agreements 28,168,044   23,133,476      
Federal Home Loan Bank advances 50,000   865,024      
Revolving credit facilities 0   310,000      
Term notes payable 394,061   0      
Term notes payable, at fair value 400,000   0      
Convertible senior notes 284,331   283,856      
Convertible senior notes, at fair value 290,979   281,951      
Derivative liabilities, at fair value 255   820,590      
Federal Home Loan Bank of Des Moines [Member]            
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]            
Federal Home Loan Bank advances $ 50,000   $ 865,000