Revenue Recognition (Components of Fixed and Variable Lease Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue from Contract with Customer [Abstract]
Fixed billings	$ 338,921	$ 353,040	$ 1,049,161	$ 1,025,182
Variable billings	39,968	28,919	115,123	93,118
Total contractual operating lease billings	378,889	381,959	1,164,284	1,118,300
Adjustment for straight-line rents and amortization of acquired below-market leases and other, net	3,794	8,730	4,111	44,812
Less: write-off of straight-line rent and tenant receivables deemed uncollectible	0	(281)	0	(782)
Lease revenues	$ 382,683	$ 390,408	$ 1,168,395	$ 1,162,330