Goodwill and Other Intangibles - Intangible Assets and Liabilities Summary (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets
Accumulated Amortization	$ (1,416,984)	$ (1,435,261)
Goodwill
Total intangible assets, gross	3,810,835	3,874,546
Total intangible assets, net	2,393,851	2,439,285
Finite-Lived Intangible Liabilities
Less: accumulated amortization	71,290	66,541
Total intangible liabilities, gross	(202,807)	(203,413)
Total intangible liabilities, net	(131,517)	(136,872)
Below-market rent
Finite-Lived Intangible Liabilities
Finite-lived intangible liabilities, gross	(202,807)	(203,413)
Less: accumulated amortization	71,290	66,541
Net amortizable intangible liabilities	(131,517)	(136,872)
Goodwill
Goodwill
Indefinite-lived intangible assets	974,052	978,289
Contracts including internal software development costs
Finite-Lived Intangible Assets
Gross Carrying Amount	2,045	20,745
Accumulated Amortization	(613)	(19,569)
Net Carrying Amount	1,432	1,176
Internal-use software development costs
Finite-Lived Intangible Assets
Gross Carrying Amount	2,045	20,745
Accumulated Amortization	(613)	(19,569)
Net Carrying Amount	1,432	1,176
Lease intangibles
Finite-Lived Intangible Assets
Gross Carrying Amount	2,834,738	2,875,512
Accumulated Amortization	(1,416,371)	(1,415,692)
Net Carrying Amount	1,418,367	1,459,820
In-place lease
Finite-Lived Intangible Assets
Gross Carrying Amount	2,141,444	2,168,739
Accumulated Amortization	(937,149)	(934,138)
Net Carrying Amount	1,204,295	1,234,601
Above-market rent
Finite-Lived Intangible Assets
Gross Carrying Amount	693,294	706,773
Accumulated Amortization	(479,222)	(481,554)
Net Carrying Amount	$ 214,072	$ 225,219