Income Recognition Policy (Details ) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Real Estate Properties
Other Cost of Operating Revenue		$ 582	$ 546	$ 700
Operating Lease, Lease Income [Abstract]
Lease income - operating leases		424,063	364,957	306,658
Variable lease income	[1]	142,116	121,860	102,754
Income from real estate operations		566,179	$ 486,817	$ 409,412
Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract]
Operating Leases, Future Minimum Payments Receivable, Current		439,737
Operating Leases, Future Minimum Payments Receivable, in Two Years		399,694
Operating Leases, Future Minimum Payments Receivable, in Three Years		334,605
Operating Leases, Future Minimum Payments Receivable, in Four Years		248,466
Operating Leases, Future Minimum Payments Receivable, in Five Years		182,399
Operating Leases, Future Minimum Payments Receivable, Thereafter		419,378
Operating Leases, Future Minimum Payments Receivable		$ 2,024,279

[1] Primarily includes tenant reimbursements for real estate taxes, insurance and common area maintenance.