Goodwill and Intangible Assets and Liabilities - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Schedule Of Indefinite And Finite Lived Intangible Assets And Liabilities [Line Items]
Remaining weighted average amortization period of intangible assets	14 years 8 months 12 days
Amortization	$ 7.4	$ 4.8
Estimated amortization expense for 2022	29.7
Estimated amortization expense for 2023	29.8
Estimated amortization expense for 2024	29.7
Estimated amortization expense for 2025	29.7
Estimated amortization expense for 2026	29.7
Revenue related to amortization of below-market leases	2.7	$ 2.7
Estimated revenue due to amortization, 2022	10.7
Estimated revenue due to amortization, 2023	10.7
Estimated revenue due to amortization, 2024	10.7
Estimated revenue due to amortization, 2025	10.7
Estimated revenue due to amortization, 2026	$ 10.7
Remaining weighted average amortization period of intangible liabilities	17 years 8 months 12 days
Fiber Infrastructure
Schedule Of Indefinite And Finite Lived Intangible Assets And Liabilities [Line Items]
Change in goodwill amount	$ 0.0

Finite lived intangible liabilities remaining amortization period.

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Schedule of indefinite and finite lived intangible assets and liabilities.

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Amount of amortization of acquired leases acquired as part of a real property acquisition at below market lease rate with a finite life.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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