Related Party Transactions - Additional Information (Detail)	3 Months Ended	6 Months Ended
	Jun. 30, 2017 USD ($) $ / Key $ / Unit	Jun. 30, 2017 USD ($) $ / Key $ / Unit	Dec. 31, 2016 USD ($)
Related Party Transaction [Line Items]
Accrued liabilities for performance participation	$ 5,200,000	$ 5,200,000
Total components due to affiliates	$ 68,492,000	$ 68,492,000	$ 86,000
Operational and management services cost per key per annum | $ / Key	200	200
Operational and management services cost per unit | $ / Unit	300	300
Costs paid to LNLS for title services related to investment		$ 160,000
Adviser [Member]
Related Party Transaction [Line Items]
Percentage of management fee on NAV per annum		1.25%
Period for reimbursement of advance expenses		60 months
Blackstone Advisory Partners L.P. [Member]
Related Party Transaction [Line Items]
Commission and fees, threshold percentage on gross proceeds from sale of share		8.75%
Special Limited Partner [Member]
Related Party Transaction [Line Items]
Percentage of annual hurdle amount		5.00%
Related party allocation percentage of annual total return		12.50%
All Other Unit Holders [Member]
Related Party Transaction [Line Items]
Related party allocation percentage of annual total return		87.50%
LivCor LLC [Member]
Related Party Transaction [Line Items]
Investments in real estate capitalized	$ 485,000	$ 485,000
Accrued Liabilities [Member]
Related Party Transaction [Line Items]
Total components due to affiliates	0	0
Accrued Liabilities [Member] | LivCor LLC [Member]
Related Party Transaction [Line Items]
Total components due to affiliates	70,000	70,000
Accrued Liabilities [Member] | BRE Hotels and Resorts [Member]
Related Party Transaction [Line Items]
Total components due to affiliates	10,000	15,000
EOM [Member]
Related Party Transaction [Line Items]
Investments in real estate capitalized	$ 20,000	$ 20,000
EOM [Member] | Property Management Services [Member]
Related Party Transaction [Line Items]
Percentage of operational and management services cost	3.00%	3.00%
EOM [Member] | Leasing Services [Member]
Related Party Transaction [Line Items]
Percentage of operational and management services cost	1.00%	1.00%
EOM [Member] | Construction Management Services [Member]
Related Party Transaction [Line Items]
Percentage of operational and management services cost	4.00%	4.00%
EOM [Member] | Accrued Liabilities [Member]
Related Party Transaction [Line Items]
Total components due to affiliates	$ 461,000	$ 471,000
ShopCore Properties TRS Management LLC [Member] | Property Management Services [Member]
Related Party Transaction [Line Items]
Percentage of operational and management services cost	3.00%	3.00%
ShopCore Properties TRS Management LLC [Member] | Leasing Services [Member]
Related Party Transaction [Line Items]
Percentage of operational and management services cost	1.00%	1.00%
ShopCore Properties TRS Management LLC [Member] | Construction Management Services [Member]
Related Party Transaction [Line Items]
Percentage of operational and management services cost	4.00%	4.00%
ShopCore Properties TRS Management LLC [Member] | Accrued Liabilities [Member]
Related Party Transaction [Line Items]
Total components due to affiliates	$ 70,000	$ 70,000
Accrued Stockholder Servicing Fee [Member]
Related Party Transaction [Line Items]
Total components due to affiliates	53,385,000	53,385,000
Accrued Stockholder Servicing Fee [Member] | Class S Shares, Class D Shares and Class T Shares [Member]
Related Party Transaction [Line Items]
Total components due to affiliates	53,400,000	53,400,000
Advanced Organization and Offering Costs [Member]
Related Party Transaction [Line Items]
Total components due to affiliates	8,720,000	$ 8,720,000
Advanced Organization and Offering Costs [Member] | Adviser [Member]
Related Party Transaction [Line Items]
Period for reimbursement of advance expenses		60 months
Advanced Expenses [Member]
Related Party Transaction [Line Items]
Total components due to affiliates	$ 156,000	$ 156,000	$ 86,000