Schedule III - Real Estate and Accumulated Depreciation - Reconciliation of Investment Properties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]
Balance, beginning of year	$ 3,551,449	$ 3,500,917	$ 3,133,966
Acquisition of new properties	25,787	110,444	316,428
Improvements	106,792	79,070	89,426
Property classified as held for sale	0	(61,965)	0
Disposals	(28,836)	(77,017)	(38,903)
Balance, end of year	3,655,192	$ 3,551,449	$ 3,500,917
Aggregate cost of investment properties for federal income tax purpose	$ 3,800,000