Fair Value Measurements - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Asset Impairment Charges [Abstract]
Impairment loss on real estate assets	$ 1,700,000	$ 0
Minimum [Member]
Asset Impairment Charges [Abstract]
Fair value inputs capitalization rate	6.75%
Maximum [Member]
Asset Impairment Charges [Abstract]
Fair value inputs capitalization rate	9.25%
Fair Value, Inputs, Level 2 [Member]
Asset Impairment Charges [Abstract]
Debt obligations, fair value	$ 1,600,000,000		$ 1,600,000,000
Loss on Impairment [Member] | Fair Value, Inputs, Level 3 [Member]
Asset Impairment Charges [Abstract]
Impairment loss on real estate assets	$ 1,700,000	$ 0