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Related Party Transactions and Investments in Non-Consolidated Entities - Management fees and interest income from loans (Details) - USD ($)
9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
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
Asset management fees    
Sponsored REITs    
Revenue $ 0 $ 0