Dispositions, Real Property Held for Sale and Impairment - Dispositions and Assets Held for Sale (Details) - Disposal group, disposed of by sale, not discontinued operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Total revenues	$ 4,054	$ 22,404	$ 9,012	$ 52,818
Expenses:
Interest expense	869	949	1,678	2,065
Property operating expenses	2,000	4,552	3,970	8,128
Provision for depreciation	0	1,814	13	8,182
Total expenses	2,869	7,315	5,661	18,375
Income (loss) from real estate dispositions, net	$ 1,185	$ 15,089	$ 3,351	$ 34,443