SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Real Estate and Accumulated Depreciation
Aggregate cost of land, buildings and improvements	$ 1,450,092	$ 1,633,467	$ 1,675,650
Buildings and Improvements | Minimum
Real Estate and Accumulated Depreciation
Useful life of fixed asset	7 years
Buildings and Improvements | Maximum
Real Estate and Accumulated Depreciation
Useful life of fixed asset	40 years