Reportable Segments - Reconciliation of Net Income to Net Operating Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Net income	$ 238,114	$ 152,683	$ 80,765
Net operating income from unconsolidated joint ventures	18,836	32,413	28,888
Total Revenues	(740,340)	(657,515)	(475,212)
Reimbursed expenses	1,580	4,004	3,782
General and administrative expenses	27,034	37,007	22,040
Interest expense	60,605	53,963	39,430
Impairment	14,829	0	0
Depreciation and amortization	288,648	257,149	181,382
Transaction costs	428	52,881	248
Other expenses	2,091	1,109	556
Gain on extinguishment of debt	0	0	(8)
Income from unconsolidated joint ventures	(7,947)	(12,666)	(12,224)
Gain on sale of investment in unconsolidated joint ventures, net	(45,767)	0	0
Gain on investment property transactions	(90,125)	(110,761)	(5,437)
Net Operating Income	486,034	431,790	326,063
Fee income
Segment Reporting Information [Line Items]
Total Revenues	(18,226)	(28,518)	(10,089)
Termination fee income
Segment Reporting Information [Line Items]
Total Revenues	(3,835)	(7,228)	(1,548)
Other income
Segment Reporting Information [Line Items]
Total Revenues	$ (231)	$ (246)	$ (1,722)