Investments in Real Estate - Summary of Assets and Liabilities of Properties Classified as Held for Sale (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Assets:
Investments in real estate, net	$ 135,296	$ 141,344
Other assets	1,405	2,035
Total assets	136,701	143,379
Liabilities:
Mortgage notes	102,718	104,314
Other liabilities	2,715	4,097
Total liabilities	$ 105,433	$ 108,411