Schedule III - Real Estate and Accumulated Depreciation - Changes in Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Balance, beginning of period	$ 2,717,114	$ 2,500,053	$ 2,385,288
Depreciation for year	378,416	265,144	260,534
Sales and assets held-for-sale	(2,766)	(3,041)	(88,080)
Transfers to operating lease right-of-use assets, net	0	0	(1,342)
Adjustment for fully depreciated assets/other	(82,065)	(45,042)	(56,347)
Balance, end of period	$ 3,010,699	$ 2,717,114	$ 2,500,053