Related Party Transactions and Investments in Non-Consolidated Entities - Management fees and interest income from loans (Details) - USD ($)	6 Months Ended		18 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 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	$ 21,000	$ 34,000