SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION - Summary (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Carrying cost
Balance at beginning of period	$ 1,410,705	$ 1,408,557	$ 1,452,001
Acquisitions	54,714	51,817
Improvements	9,686	9,099	6,298
Cost of real estate sold	(79,998)	(55,346)	(49,742)
Impairment loss from real estate investments	(15,775)	(3,422)
Ending balance	1,379,332	1,410,705	1,408,557
Accumulated depreciation
Balance at beginning of period	391,487	374,606	349,643
Depreciation expense	37,303	37,394	38,192
Cost of real estate sold	(37,423)	(20,513)	(13,229)
Ending balance	$ 391,367	$ 391,487	$ 374,606