Investments in Unconsolidated Entities - Summary of Combined Condensed Financial Data of Unconsolidated Entities (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Investment in real estate
Land		$ 571,334		$ 592,770
Accumulated depreciation		(146,884)		(142,206)
Net investment in real estate		1,870,623		1,910,872
Cash and cash equivalents		137,940		143,728
Total assets		2,612,376		2,648,943
Liabilities
Total liabilities		1,740,976		1,766,216
Members' Interest
Accumulated deficit		(537,582)		(528,637)
Total equity		871,400	$ 1,012,368	882,727	$ 1,043,370
Total liabilities and equity		2,612,376		2,648,943
Total revenue		31,281	33,317
Net loss		(10,933)	(30,975)
Unconsolidated Entities [Member]
Investment in real estate
Land		318,540		318,540
Buildings and improvements		492,335		492,973
Accumulated depreciation		(87,925)		(81,730)
Investment in real estate, gross		722,950		729,783
Construction in progress		228,349		222,663
Net investment in real estate		951,299		952,446
Cash and cash equivalents		18,785		16,094
Tenant and other receivables, net		5,584		4,104
Other assets, net		65,620		62,882
Total assets		1,041,288		1,035,526
Liabilities
Mortgage loans payable, net		34,675		34,672
Accounts payable, accrued expenses and other liabilities		42,627		48,405
Total liabilities		77,302		83,077
Members' Interest
Additional paid in capital		965,949		964,868
Accumulated deficit		(1,963)		(12,419)
Total equity		963,986		952,449
Total liabilities and equity		1,041,288		$ 1,035,526
Total revenue		7,729	5,341
Property operating expenses		(2,579)	(2,737)
Depreciation and amortization		(6,481)	(3,687)
Operating loss		(1,331)	(1,083)
Other expenses		(1,043)	(489)
Net loss		(2,374)	(1,572)
Equity in loss of unconsolidated entities	[1]	$ (1,162)	$ (786)

[1] Equity in loss of unconsolidated entities on the condensed consolidated statements of operations includes basis difference adjustments