Real Estate Fund Investments (Schedule of Income (Loss) from the Fund and the Crowne Plaza Joint Venture) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Real Estate Fund Investments [Line Items]
Less loss (income) attributable to noncontrolling interests in consolidated subsidiaries	$ 75,967	$ 5,737	$ (24,014)
Joint Venture
Real Estate Fund Investments [Line Items]
Previously recorded unrealized loss on exited investments	247,575	59,396	0
Net realized (loss) income on exited investments	(245,714)	(54,255)	1,364
Net unrealized (loss) income on held investments	0	(7,730)	3,257
Net investment (loss) income	(271)	6,130	6,445
Income from real estate fund investments	1,590	3,541	11,066
Less loss (income) attributable to noncontrolling interests in consolidated subsidiaries	12,789	(1,870)	(7,309)
Income from real estate fund investments net of noncontrolling interests in consolidated subsidiaries	$ 14,379	$ 1,671	$ 3,757