Schedule III Real Estate and Accumulated Depreciation (Schedule of Changes in Rental Properties and Accumulated Depreciation) (Details) - USD ($)	11 Months Ended	12 Months Ended
	Dec. 01, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Real Estate and Accumulated Depreciation [Line Items]
Balance	$ 305,498,000	$ 250,860,000	$ 257,199,000
Additions	1,494,000	54,759,000	1,504,000
Disposals	(306,646,000)	(121,000)	(7,843,000)
Balance	346,000	305,498,000	250,860,000
Balance	39,729,000	28,877,000	22,929,000
Depreciation for the period	9,669,000	10,951,000	9,563,000
Depreciation on assets sold or disposed	(49,056,000)	(99,000)	(3,615,000)
Balance	$ 342,000	$ 39,729,000	$ 28,877,000
Aggregate cost of land, buildings, furniture and equipment for Federal income tax purposes				$ 0
Minimum [Member] | Building And Improvements [Member]
Real Estate and Accumulated Depreciation [Line Items]
Useful life used for computation of depreciation	15 years
Minimum [Member] | Furniture and Equipment [Member]
Real Estate and Accumulated Depreciation [Line Items]
Useful life used for computation of depreciation	3 years
Maximum [Member] | Building And Improvements [Member]
Real Estate and Accumulated Depreciation [Line Items]
Useful life used for computation of depreciation	40 years
Maximum [Member] | Furniture and Equipment [Member]
Real Estate and Accumulated Depreciation [Line Items]
Useful life used for computation of depreciation	12 years