Dispositions of Real Estate and Discontinued Operations - Schedule of Results of Discontinued Operations (Details) - Held-for-sale - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues [Abstract]
Resident fees and services	$ 0	$ 1,284	$ 0	$ 6,765
Total revenues	0	1,284	0	6,765
Costs and expenses:
Operating	0	1,334	0	6,451
Total costs and expenses	0	1,334	0	6,451
Other income (expense):
Gain (loss) on sales of real estate, net	0	(1,131)	0	1,361
Other income (expense), net	0	(7)	0	12
Total other income (expense), net	0	(1,138)	0	1,373
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures	0	(1,188)	0	1,687
Income tax benefit (expense)	0	(110)	0	260
Equity income (loss) from unconsolidated joint ventures	0	0	0	64
Income (loss) from discontinued operations	$ 0	$ (1,298)	$ 0	$ 2,011