Quarterly report pursuant to Section 13 or 15(d)

Fair Value by Balance Sheet Grouping (Details)

v3.19.1
Fair Value by Balance Sheet Grouping (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2018
Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Available-for-sale securities, at fair value $ 25,077,710 $ 25,552,604    
Mortgage servicing rights, at fair value 2,014,370 1,993,440 $ 1,301,023 $ 1,086,717
Cash and cash equivalents 512,183 409,758    
Restricted cash 266,752 688,006    
Derivative assets, at fair value 336,112 319,981    
Reverse repurchase agreements 0 761,815    
Other assets 71,129 74,412    
Repurchase agreements 19,729,691 23,133,476    
Federal Home Loan Bank advances 865,024 865,024    
Revolving credit facilities 375,294 310,000    
Convertible senior notes 284,099 283,856    
Convertible senior notes, at fair value 290,375 281,951    
Derivative liabilities, at fair value 231 820,590    
Federal Home Loan Bank of Des Moines [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Federal Home Loan Bank advances $ 865,000 $ 865,000