Investments in and Advances to Joint Ventures - Condensed Combined Statements of Operations of Unconsolidated Joint Venture Investments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Condensed Combined Statements of Operations
Revenues from operations	$ 134,441	$ 105,554	$ 398,048	$ 342,435
Expenses from operations:
Impairment charges			7,270	0
Depreciation and amortization	44,669	41,148	137,446	125,014
Interest expense	19,170	18,089	57,701	58,487
Other expense, net	524	(3,259)	1,214	7,727
Net income (loss)	28,157	7,403	66,325	37,628
Equity in net income of joint ventures	1,824	250	11,059	908
Unconsolidated Joint Ventures [Member]
Condensed Combined Statements of Operations
Revenues from operations	48,666	60,019	150,623	198,906
Expenses from operations:
Operating expenses	12,931	18,613	41,217	61,661
Impairment charges	0	0	0	33,240
Depreciation and amortization	16,605	23,901	50,309	77,580
Interest expense	10,980	14,700	32,898	47,555
Preferred share expense	0	4,626	0	13,710
Other expense, net	2,832	3,246	8,806	10,844
Total expenses	43,348	65,086	133,230	244,590
Income (loss) before gain on disposition of real estate	5,318	(5,067)	17,393	(45,684)
(Loss) gain on disposition of real estate, net	(455)	319	36,132	9,229
Net income (loss)	4,863	(4,748)	53,525	(36,455)
Company's share of equity in net income of joint ventures	1,760	134	9,897	571
Basis differential adjustments	64	116	1,162	337
Equity in net income of joint ventures	$ 1,824	$ 250	$ 11,059	$ 908