Identified Intangible Assets and Liabilities (Schedule of Identified Intangible Assets and Intangible Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross amount	$ 237,777	$ 237,777
Accumulated amortization	(103,094)	(98,139)
Total, net	134,683	139,638
Identified intangible liabilities (included in deferred revenue):
Gross amount	244,396	244,396
Accumulated amortization	(212,300)	(208,592)
Total, net	$ 32,096	$ 35,804