Investments in Partially Owned Entities (Schedule of Condensed Combined Financial Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Real Estate Properties
Assets	$ 15,521,118	$ 15,998,608
Liabilities	8,716,595	9,826,739
Noncontrolling interests	647,951	834,658
Equity	5,986,727	5,158,242
Total revenues	1,810,425	1,787,686	$ 1,811,163
Net income	937,204	20,116	32,888
Net loss attributable to the entities	904,955	70,387	105,494
Partially Owned Properties
Real Estate Properties
Assets	10,575,000	11,296,000
Liabilities	7,268,000	7,073,000
Noncontrolling interests	1,151,000	1,905,000
Equity	2,156,000	2,318,000
Total revenues	1,073,000	1,119,000	1,132,000
Net income	5,000	33,000	34,000
Net loss attributable to the entities	$ (49,000)	$ (49,000)	$ (40,000)