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Summary of Significant Accounting Policies (Details)	12 Months Ended
Summary of Significant Accounting Policies (Details)	Dec. 31, 2021 USD ($) lease $ / shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Real Estate Properties [Line Items]
Number of Properties Subject to Ground Leases \| lease	1
Acquisition Fee, Percent	1.00%
stabilized occupancy level	93.00%
preferred stock stated value per share \| $ / shares	$ 1,000
Financing Receivable, Allowance for Credit Losses	$ 1,022,034,000	$ 1,438,448,000	$ 1,934,116,000	$ 1,609,385,000
Accumulated Deficit [Member]
Real Estate Properties [Line Items]
Financing Receivable, Allowance for Credit Losses	$ (172,000,000)	(192,446,000)	(7,244,000)	$ 0
Accounting Standards Update 2016-13 [Member]
Real Estate Properties [Line Items]
Financing Receivable, Allowance for Credit Losses			(7,414,000)
Accounting Standards Update 2016-13 [Member] \| Accumulated Deficit [Member]
Real Estate Properties [Line Items]
Financing Receivable, Allowance for Credit Losses			$ (7,414,000)
Restatement Adjustment \| Accounting Standards Update 2016-13 [Member] \| Accumulated Deficit [Member]
Real Estate Properties [Line Items]
Financing Receivable, Allowance for Credit Losses		$ (7,400,000)
Building [Member] \| Maximum [Member]
Real Estate Properties [Line Items]
Lessee, Operating Lease, Term of Contract	15 years
Base Rental Rate Escalation	3.00%
Property, Plant and Equipment, Useful Life	50 years
Building [Member] \| Minimum [Member]
Real Estate Properties [Line Items]
Lessee, Operating Lease, Term of Contract	5 years
Base Rental Rate Escalation	2.00%
Property, Plant and Equipment, Useful Life	30 years
Furniture and Fixtures [Member] \| Maximum [Member]
Real Estate Properties [Line Items]
Lessee, Operating Lease, Term of Contract	5 years
Property, Plant and Equipment, Useful Life	10 years
Furniture and Fixtures [Member] \| Minimum [Member]
Real Estate Properties [Line Items]
Lessee, Operating Lease, Term of Contract	3 years
Property, Plant and Equipment, Useful Life	3 years
Land, Buildings and Improvements [Member] \| Maximum [Member]
Real Estate Properties [Line Items]
Property, Plant and Equipment, Useful Life	20 years
Land, Buildings and Improvements [Member] \| Minimum [Member]
Real Estate Properties [Line Items]
Lessee, Operating Lease, Term of Contract	20 years
Property, Plant and Equipment, Useful Life	5 years
Spaces Under 5,000 Square Feet [Member] \| Maximum [Member]
Real Estate Properties [Line Items]
Lease Term	7 years
Spaces Under 5,000 Square Feet [Member] \| Minimum [Member]
Real Estate Properties [Line Items]
Lease Term	3 years
Spaces Over 10,000 Square Feet [Member] \| Maximum [Member]
Real Estate Properties [Line Items]
Lease Term	20 years
Spaces Over 10,000 Square Feet [Member] \| Minimum [Member]
Real Estate Properties [Line Items]
Lease Term	10 years