Real Estate Assets - Joint Venture Investment (Details) - USD ($)		12 Months Ended
	Jul. 15, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Combination Segment Allocation [Line Items]
Assets		$ 3,563,368,000	$ 4,281,079,000
Liabilities		2,541,334,000	2,842,631,000
Rental revenues		404,581,000	445,815,000	$ 406,916,000
Costs and Expenses		348,628,000	582,351,000	381,953,000
Interest Expense		102,414,000	118,558,000	111,964,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		20,532,000	(181,603,000)	(7,458,000)
Net Income (Loss) Attributable to Parent		20,446,000	(177,788,000)	$ (7,244,000)
Corporate Joint Venture
Business Combination Segment Allocation [Line Items]
Payments to acquire joint ventures	$ 19,200,000
Ownership Interest In Joint Ventures	50.00%
Gain Loss From Transactions With Joint Ventures	$ 3,300,000
Ownership In Joint Ventures, Voting And Financial Interest	50.00%
Assets		36,687	39,109
Liabilities		24,703	25,795
Rental revenues		3,370,000	1,423,000
Costs and Expenses		3,776,000	1,721,000
Interest Expense		924,000	330,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		(1,330,000)	(628,000)
Net Income (Loss) Attributable to Parent		$ (665,000)	$ (314,000)