Annual report pursuant to Section 13 and 15(d)

Schedule of Repurchase Agreement Counterparties with Whom Repurchase Agreements Exceed 10 Percent of Stockholders' Equity (Details)

v3.19.3.a.u2
Schedule of Repurchase Agreement Counterparties with Whom Repurchase Agreements Exceed 10 Percent of Stockholders' Equity (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
counterparty
Dec. 31, 2018
USD ($)
counterparty
Repurchase Agreement Counterparty [Line Items]    
Repurchase agreements $ 29,147,463 $ 23,133,476
Net Counterparty Exposure $ 1,782,458 $ 2,022,074
Weighted Average Days to Maturity 77 days 66 days
Repurchase Agreement Counterparty, Barclays Capital [Member]    
Repurchase Agreement Counterparty [Line Items]    
Repurchase agreements $ 2,437,598 $ 2,508,277
Net Counterparty Exposure $ 216,279 $ 280,148
Percent of Equity 4.00% 7.00%
Weighted Average Days to Maturity 99 days 50 days
Repurchase Agreement Counterparty, Royal Bank of Canada [Member]    
Repurchase Agreement Counterparty [Line Items]    
Repurchase agreements $ 3,957,732 $ 2,504,438
Net Counterparty Exposure $ 310,116 $ 342,739
Percent of Equity 6.00% 8.00%
Weighted Average Days to Maturity 55 days 94 days
Repurchase Agreement Counterparty, All Other Counterparties [Member]    
Repurchase Agreement Counterparty [Line Items]    
Repurchase agreements $ 22,752,133 $ 18,120,761
Net Counterparty Exposure $ 1,256,063 $ 1,399,187
Percent of Equity 25.00% 33.00%
Weighted Average Days to Maturity 77 days 64 days
Number of repurchase agreement counterparties with whom amount at risk is less than 10 percent of stockholders' equity | counterparty 22 28