Schedule III—Real Estate and Accumulated Depreciation - Notes to Schedule III (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Change in total cost of properties
Balance at beginning of year	$ 9,790,010	$ 10,630,560	$ 10,716,233
Additions: acquisitions and capital expenditures	106,588	86,016	99,141
Dispositions	(624,057)	(330,091)	(145,836)
Reclassification of properties held for sale	(98,090)	(596,475)	(38,978)
Balance at close of year	9,291,000	9,790,010	10,630,560
Change in accumulated depreciation
Balance at beginning of year	3,069,348	3,047,016	2,851,121
Additions: depreciation expense	309,606	298,597	364,636
Dispositions	(618,132)	(153,699)	(143,814)
Reclassification of properties held for sale	(10,960)	(122,566)	(24,927)
Balance at close of year	2,749,862	3,069,348	3,047,016
Tax basis for federal income tax purpose	6,965,454
All Properties Excluding Properties Held For Sale
Change in total cost of properties
Balance at beginning of year	9,790,010	10,630,560
Balance at close of year	$ 9,174,451	$ 9,790,010	$ 10,630,560