Summary of Significant Accounting Policies (Narrative) (Details)		2 Months Ended	12 Months Ended
	Jan. 04, 2022 USD ($) item	Mar. 01, 2022 USD ($) item	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Summary of Significant Accounting Policies [Line Items]
Gain (loss) on sale of investments			$ 0	$ 0
Interest cost capitalized			$ 500,000	600,000	$ 700,000
Intangible assets, useful life			15 years
Impairment charge recognized, related to long-lived assets			$ 33,000,000.0	40,100,000	33,100,000
Asset retirement obligation			53,600,000	30,900,000
Accounts receivable, net			101,950,000	74,088,000
Unamortized deferred lease costs			2,900,000	1,200,000	1,800,000
Amortization expense			1,400,000	1,300,000	1,400,000
Deferred lease costs			6,300,000	4,800,000
Loss on remeasurement of U.S. dollar denominated intercompany loan			(44,300,000)	(145,600,000)	$ 9,000,000.0
Payments on intercompany loans			149,900,000
Intercompany foreign currency outstanding balance			$ 872,900,000	909,800,000
Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Acquired intangible assets, useful life			1 year
Fixed rent escalation			2.00%
Operating lease term			5 years
Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Business acquisitions period after closing date to determine additional adjustments			1 year
Acquired intangible assets, useful life			3 years
Fixed rent escalation			3.00%
Operating lease term			10 years
Site Development Revenue [Member]
Summary of Significant Accounting Policies [Line Items]
Accounts receivable, net			$ 24,600,000	$ 14,300,000
Segment Concentration Risk [Member] | Domestic Site Leasing [Member] | Revenue [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage			91.00%
Segment Concentration Risk [Member] | Site Development Revenue [Member] | Revenue [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage			9.00%
Exclusive Right to Lease and Operate Utility Transmission Structures [Member]
Summary of Significant Accounting Policies [Line Items]
Number of utility transmission structures acquired | item			713
Consideration transferred			$ 972,000,000.0
Finance lease term			70 years
Subsequent Event [Member]
Summary of Significant Accounting Policies [Line Items]
Consideration transferred		$ 137,100,000
Number of communication sites acquired | item		371
Subsequent Event [Member] | Airtel Tanzania [Member]
Summary of Significant Accounting Policies [Line Items]
Consideration transferred	$ 176,100,000
Number of communication sites acquired | item	1,445
Subsequent Event [Member] | Airtel Tanzania [Member] | Initially Recorded in Acquired and Other Right-of-use Assets, Net [Member]
Summary of Significant Accounting Policies [Line Items]
Number of communication sites acquired | item	482