SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION (Reconciliation Of Real Estate and Accumulated Depreciation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Real Estate
Balance at beginning of year	$ 2,220,936	$ 2,228,864	$ 2,206,701
Additions during the year	5,322	17,967	22,163
Dispositions	(187,078)	(25,895)	0
Total Real Estate	2,039,180	2,220,936	2,228,864
Reconciliation of Accumulated Depreciation
Balance at beginning of year	396,016	340,499	277,580
Depreciation for year	57,768	64,083	62,919
Accumulated depreciation on assets sold	(47,074)	(8,566)	0
Balance at the end of year	$ 406,710	$ 396,016	$ 340,499