Schedule III: Real Estate and Accumulated Depreciation - Summary of Activity for Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Continuing Operations
Real estate:
Balances at beginning of year	$ 13,528,893	$ 10,372,584	$ 9,707,488
Acquisition of real estate and development and improvements	2,157,539	3,460,556	1,621,739
Sales and/or transfers to assets held for sale	(72,819)	(203,687)	(852,480)
Impairments	(21,294)	(23,991)	(19,067)
Other	(85,661)	(76,569)	(85,096)
Balances at end of year	15,506,658	13,528,893	10,372,584
Accumulated depreciation:
Balances at beginning of year	2,409,135	2,141,960	2,054,888
Depreciation expense	548,063	438,735	365,319
Sales and/or transfers to assets held for sale	(32,692)	(93,220)	(190,877)
Other	(85,277)	(78,340)	(87,370)
Balances at end of year	2,839,229	2,409,135	2,141,960
Discontinued Operations
Real estate:
Balances at beginning of year	2,930,566	4,133,349	3,440,706
Acquisition of real estate and development and improvements	8,238	119,333	812,827
Sales and/or transfers to assets held for sale	(2,929,713)	(1,114,792)	(245,291)
Impairments	(5,315)	(198,048)	(200,546)
Other	(3,776)	(9,276)	325,653
Balances at end of year	0	2,930,566	4,133,349
Accumulated depreciation:
Balances at beginning of year	615,708	861,557	817,931
Depreciation expense	0	91,726	122,792
Sales and/or transfers to assets held for sale	(615,708)	(333,654)	(68,391)
Other	0	(3,921)	(10,775)
Balances at end of year	$ 0	$ 615,708	$ 861,557