Annual report pursuant to Section 13 and 15(d)

Organization and Operations (Details)

v3.8.0.1
Organization and Operations (Details)
Jun. 28, 2017
shares
Organization and Operations [Abstract]  
Shares of Granite Point Mortgage Trust Inc. common stock received in exchange for contribution (in shares) 33,100,000
Ownership percentage in Granite Point Mortgage Trust Inc. 76.50%