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Related Party Transactions and Investments in Non-Consolidated Entities - Management fees and interest income from loans (Details) - USD ($)	3 Months Ended		15 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022
Sponsored REITs
Asset management fees, low end of range (as a percent)	1.00%
Asset management fees, high end of range (as a percent)	5.00%
Notice period for cancellation of applicable contracts	30 days
Type of revenue			Asset management fees
Asset management fees
Sponsored REITs
Revenue	$ 9,000	$ 16,000
Sponsored REITs
Sponsored REITs
Impairment of Sponsored REIT	$ 0		$ 0

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