Goodwill and Intangible Assets - Schedule of Carrying Value of Other Intangible Assets (Details) - USD ($) $ in Thousands		Dec. 31, 2020	Dec. 31, 2019
Schedule Of Indefinite And Finite Lived Intangible Assets And Liabilities [Line Items]
Total intangible assets, Original Cost		$ 474,870	$ 628,004
Less: accumulated amortization		(84,145)	(96,025)
Total intangible assets, net		390,725	531,979
Finite life intangible liabilities, Original Cost		190,086
Less: accumulated amortization		(2,200)
Total intangible liabilities, net		187,886
Trade Names
Schedule Of Indefinite And Finite Lived Intangible Assets And Liabilities [Line Items]
Indefinite life intangible assets, Original Cost			2,000
Customer Lists
Schedule Of Indefinite And Finite Lived Intangible Assets And Liabilities [Line Items]
Finite life intangible assets, Original Cost		416,104	450,603
Less: accumulated amortization		(82,989)	(93,794)
Contracts
Schedule Of Indefinite And Finite Lived Intangible Assets And Liabilities [Line Items]
Finite life intangible assets, Original Cost		48,269
Less: accumulated amortization		(1,068)
In-place Lease
Schedule Of Indefinite And Finite Lived Intangible Assets And Liabilities [Line Items]
Finite life intangible assets, Original Cost	[1]		50,705
Less: accumulated amortization	[1]		(845)
Acquired Below-market Leases
Schedule Of Indefinite And Finite Lived Intangible Assets And Liabilities [Line Items]
Finite life intangible liabilities, Original Cost		190,086
Less: accumulated amortization		(2,200)
Underlying Rights
Schedule Of Indefinite And Finite Lived Intangible Assets And Liabilities [Line Items]
Finite life intangible assets, Original Cost	[1]	10,497	124,696
Less: accumulated amortization	[1]	$ (87)	$ (1,386)

[1] The Propco's intangible assets were sold on July 1, 2020. See Note 6.