Annual report pursuant to Section 13 and 15(d)

Repurchase Agreements (Details)

v3.10.0.1
Repurchase Agreements (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of Repurchase Agreements [Abstract]    
Repurchase agreements $ 23,133,476 $ 19,451,207
Weighted average borrowing rate 2.68% 1.69%
Weighted average remaining maturity 66 days 83 days