Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross		$ 315,999	$ 46,835
Additions	$ 528,657	269,164
Foreign currency translation	1,260
Accumulated amortization	(63,569)	(46,317)
Net definite lived intangible assets	782,347	269,682
Identifiable intangible assets – net	$ 797,423	$ 284,758
Remaining useful life	24 years 3 months 18 days	23 years 10 months 24 days
Customer relationships
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross		$ 300,421	33,788
Additions	$ 528,518	266,633
Foreign currency translation	1,260
Accumulated amortization	(53,321)	(38,036)
Net definite lived intangible assets	$ 776,878	$ 262,385
Remaining useful life	24 years 3 months 18 days	24 years 2 months 12 days
Above-market leases
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross		$ 143	143
Additions	$ 0	0
Foreign currency translation	0
Accumulated amortization	(81)	(60)
Net definite lived intangible assets	$ 62	$ 83
Remaining useful life	2 years 9 months 18 days	3 years 9 months 18 days
In-place lease
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross		$ 3,778	3,778
Additions	$ 0	0
Foreign currency translation	0
Accumulated amortization	(2,152)	(1,578)
Net definite lived intangible assets	$ 1,626	$ 2,200
Remaining useful life	2 years 9 months 18 days	3 years 9 months 18 days
Below-market leases
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross		$ 9,126	9,126
Additions	$ 0	0
Foreign currency translation	0
Accumulated amortization	(5,945)	(5,794)
Net definite lived intangible assets	$ 3,181	$ 3,332
Remaining useful life	32 years 2 months 12 days	32 years 7 months 6 days
Assembled Workforce
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross		$ 908	0
Additions	$ 139	908
Foreign currency translation	0
Accumulated amortization	(447)	(128)
Net definite lived intangible assets	$ 600	$ 780
Remaining useful life	1 year 10 months 24 days	2 years 8 months 12 days
Trade names and trademarks
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross		$ 1,623	$ 0
Additions	$ 0	1,623
Foreign currency translation	0
Accumulated amortization	(1,623)	(721)
Net definite lived intangible assets	0	$ 902
Remaining useful life		9 months 18 days
Trade Name
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Indefinite lived intangible asset (Trade name)	$ 15,076	$ 15,076