Schedule III - Schedule of Real Estate and Accumulated Depreciation (Reconciliation of Real Estate Accumulated Depreciation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule III - Schedule of Real Estate and Accumulated Depreciation [Abstract]
Gross amount of accumulated depreciation at beginning	$ (3,925,893)	$ (3,644,238)	$ (3,383,370)
Depreciation	(300,458)	(285,918)	(273,655)
Other	(14,339)	(3,382)	(91)
Total additions	(314,797)	(289,300)	(273,746)
Amount of accumulated depreciation for assets sold or disposed	8,070	7,505	3,638
Other	251	140	9,240
Total deductions	8,321	7,645	12,878
Balance at end	$ (4,232,369)	$ (3,925,893)	$ (3,644,238)