Investment in Unconsolidated Real Estate Ventures - Summary of Results of Operations of Real Estate Ventures with Interests (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Schedule of Equity Method Investments [Line Items]
Revenue	$ 126,106			$ 145,331			$ 408,031	$ 433,378
Operating expenses	(99,601)			(118,675)			(327,678)	(354,651)
Interest expense	(16,310)			(20,400)			(56,510)	(61,273)
Depreciation and amortization	(43,533)			(55,627)			(145,314)	(158,738)
Net income	276,133	$ 4,020	$ 8,087	6,820	$ 6,252	$ 4,583	288,240	17,655
Equity in loss of Real Estate Ventures	(5,788)			(1,965)			(9,882)	(4,814)
Investment In Nonconsolidated Real Estate
Schedule of Equity Method Investments [Line Items]
Revenue	43,109			32,726			105,554	101,148
Operating expenses	(23,870)			(17,869)			(59,838)	(53,956)
Interest expense	(6,175)			(6,180)			(16,320)	(16,421)
Depreciation and amortization	(22,345)			(13,094)			(47,493)	(40,279)
Gain on early extinguishment of debt	0			4,371			0	4,371
Net income	(9,281)			(46)			(18,097)	(5,137)
Company's share of net loss	(5,812)			(1,945)			(9,892)	(4,765)
Basis adjustments and other	24			(20)			10	(49)
Equity in loss of Real Estate Ventures	$ (5,788)			$ (1,965)			$ (9,882)	$ (4,814)