Real Estate Fund Investments (Schedule of Changes in Fair Value of Fund and the Crowne Plaza Joint Venture) (Details) - Joint Venture - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 0	$ 7,730
Previously recorded unrealized loss on exited investments	247,575	59,396
Net realized loss on exited investments	(245,714)	(54,255)
Net unrealized loss on held investments	0	(7,730)
Dispositions	(1,861)	(5,141)
Ending balance	$ 0	$ 0