Identified Intangible Assets and Liabilities (Schedule of Identified Intangible Assets and Intangible Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross amount	$ 225,671	$ 237,777
Accumulated amortization	(98,589)	(98,139)
Total, net	127,082	139,638
Identified intangible liabilities (included in deferred revenue):
Gross amount	206,771	244,396
Accumulated amortization	(178,282)	(208,592)
Total, net	$ 28,489	$ 35,804