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
Reconciliation of real estate accumulated depreciation
Accumulated Depreciation, Beginning Balance	$ 1,924,585	$ 1,776,224	$ 1,631,888
Depreciation and amortization	191,345	157,673	153,893
Dispositions and other	(12,156)	(9,312)	(9,557)
Accumulated Depreciation, Ending Balance	$ 2,103,774	$ 1,924,585	$ 1,776,224