CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
REVENUES
Rental revenue	$ 85,899,000	$ 92,744,000
Total revenues	190,580,000	175,175,000
EXPENSES
Operating costs	58,598,000	64,606,000
Rental property real estate taxes	13,991,000	13,578,000
Provision for (recovery of) doubtful accounts	(578,000)	1,701,000
Development-related marketing costs	1,644,000	2,816,000
General and administrative	21,766,000	39,081,000
Depreciation and amortization	49,308,000	61,637,000
Total expenses	215,348,000	298,106,000
OTHER
Provision for impairment	0	(48,738,000)
Gain (loss) on sale or disposal of real estate and other assets, net	0	38,124,000
Other income (loss), net	(10,308,000)	(3,684,000)
Total other	(10,308,000)	(14,298,000)
Operating income (loss)	(35,076,000)	(137,229,000)
Interest income	41,000	1,146,000
Interest expense	(34,210,000)	(34,448,000)
Gain (loss) on extinguishment of debt	(35,915,000)	0
Equity in earnings (losses) from real estate and other affiliates	15,796,000	11,349,000
Income (loss) before taxes	(89,364,000)	(159,182,000)
Provision (benefit) for income taxes	(21,205,000)	(34,100,000)
Net income (loss)	(68,159,000)	(125,082,000)
Net (income) loss attributable to noncontrolling interests	1,565,000	(52,000)
Net income (loss) attributable to common stockholders	$ (66,594,000)	$ (125,134,000)
Basic income (loss) per share (in dollars per share)	$ (1.20)	$ (2.88)
Diluted income (loss) per share (in dollars per share)	$ (1.20)	$ (2.88)
Condominium rights and unit sales
REVENUES
Revenues from contracts with customers	$ 37,167,000	$ 43,000
EXPENSES
Cost of sales	54,968,000	97,901,000
Master Planned Communities land sales
REVENUES
Revenues from contracts with customers	37,477,000	39,732,000
EXPENSES
Cost of sales	15,651,000	16,786,000
Other land, rental and property revenues
REVENUES
Revenues from contracts with customers	23,243,000	34,897,000
Builder price participation
REVENUES
Revenues from contracts with customers	$ 6,794,000	$ 7,759,000