Annual report pursuant to Section 13 and 15(d)

Basis of Presentation and Significant Accounting Policies Asset Acquisition (Details)

v3.19.3.a.u2
Basis of Presentation and Significant Accounting Policies Asset Acquisition (Details)
Jul. 31, 2018
Basis of Presentation and Significant Accounting Policies [Abstract]  
Agency RMBS, as a percentage of gross assets, acquired in connection with the acquisition of CYS Investments, Inc. 89.00%