Dispositions of Real Estate and Discontinued Operations - Schedule of Results of Discontinued Operations (Details) - Held-for-sale - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues [Abstract]
Resident fees and services	$ 0	$ 2,825	$ 0	$ 5,480
Total revenues	0	2,825	0	5,480
Costs and expenses:
Operating	0	2,442	0	5,116
Total costs and expenses	0	2,442	0	5,116
Other income (expense):
Gain (loss) on sales of real estate, net	0	2,563	0	2,492
Other income (expense), net	0	16	0	19
Total other income (expense), net	0	2,579	0	2,511
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures	0	2,962	0	2,875
Income tax benefit (expense)	0	30	0	370
Equity income (loss) from unconsolidated joint ventures	0	0	0	64
Income (loss) from discontinued operations	$ 0	$ 2,992	$ 0	$ 3,309