Schedule III - Real Estate and Accumulated Depreciation and Amortization - (Parenthetical) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) Property	Dec. 31, 2021 USD ($)
Land, buildings, and leasehold interests:
Beginning balance	$ 9,678,127	$ 8,917,586	$ 8,534,275
Acquisitions and dollars invested in projects under construction and tenant improvements	820,238	846,331	551,287
Dispositions	(94,943)	(77,481)	(146,019)
Impairment losses	(5,990)	(8,309)	(21,957)
Ending balance	10,397,432	9,678,127	8,917,586
Accumulated depreciation and amortization:
Beginning balance	1,660,665	1,471,393	1,319,943
Dispositions	(26,236)	(25,757)	(44,509)
Depreciation and amortization expense	230,185	215,029	195,959
Ending balance	1,864,614	1,660,665	$ 1,471,393
Net investment in direct financing leases	3,033	3,352
Real estate, federal income tax basis	10,277,935
Mortgages payable, including unamortized premium and net of unamortized debt costs	$ 0	$ 9,964
Mortgages [Member]
Accumulated depreciation and amortization:
Number Of Properties Securing Mortgages Payable | Property		5
Maximum [Member]
Accumulated depreciation and amortization:
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation	18 months
Minimum [Member]
Accumulated depreciation and amortization:
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation	12 months