Identified Intangible Assets and Liabilities (Schedule of Identified Intangible Assets and Intangible Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross amount	$ 226,528	$ 225,671
Accumulated amortization	(101,641)	(98,589)
Total, net	124,887	127,082
Identified intangible liabilities (included in deferred revenue):
Gross amount	210,746	206,771
Accumulated amortization	(183,432)	(178,282)
Total, net	$ 27,314	$ 28,489