Annual report pursuant to Section 13 and 15(d)

Schedule of Repurchase Agreements by Term, Short or Long (Details)

v3.19.3.a.u2
Schedule of Repurchase Agreements by Term, Short or Long (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Assets Sold under Agreements to Repurchase [Line Items]    
Repurchase agreements $ 29,147,463 $ 23,133,476
Maturity up to One Year [Member]    
Assets Sold under Agreements to Repurchase [Line Items]    
Repurchase agreements 29,147,463 22,833,476
Maturity Over One Year [Member]    
Assets Sold under Agreements to Repurchase [Line Items]    
Repurchase agreements $ 0 $ 300,000