Segments - Schedule of Reconciliation of NOI to Net (Loss) Income Attributable to Common Stockholders (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting [Abstract]
NOI	$ 118,204	$ 126,245
Fee income	6,670	6,330
Depreciation and amortization expense	(58,305)	(58,427)
General and administrative expenses	(14,364)	(12,249)
NOI from unconsolidated joint ventures	(10,326)	(13,392)
Loss from unconsolidated joint ventures	(5,316)	(4,221)
Interest and other income (loss), net	1,302	(996)
Interest and debt expense	(34,739)	(36,619)
Adjustments related to discontinued operations		(2,211)
Other, net	(101)	(151)
Income from continuing operations, before income taxes	3,025	4,309
Income tax expense	(1,141)	(604)
Income from continuing operations, net	1,884	3,705
Income from discontinued operations, net		1,521
Net income	1,884	5,226
Consolidated joint ventures	(5,728)	(1,514)
Consolidated real estate fund	(85)	(23)
Operating Partnership	351	(341)
Net (loss) income attributable to common stockholders	$ (3,578)	$ 3,348