Related Party Transactions	6 Months Ended
	Jun. 30, 2020
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions        As of June 30, 2020, affiliates of The Blackstone Group Inc. (“Blackstone”) beneficially owned approximately 30% of our outstanding shares of common stock and held horizontal risk retention certificates issued by the trust that holds our CMBS Facility indebtedness (“Class HRR Certificates”). As of June 30, 2020 and December 31, 2019, the portion of our CMBS Facility outstanding balance that correlates to the Class HRR Certificates was $81 million and $88 million, respectively. Total interest payments made to Blackstone as a holder of such Class HRR Certificates for the three months ended June 30, 2020 and 2019 were $1 million and $2 million, respectively. Total interest payments made to Blackstone as a holder of such Class HRR Certificates for the six months ended June 30, 2020 and 2019 were $2 million and $3 million, respectively.