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Government Grants (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($)
Other Income [Line Items]
Increase (decrease) in grants receivable	$ 18.3
Cash reimbursements	0.4
Grants receivable	1.4
Maryland
Other Income [Line Items]
Increase (decrease) in grants receivable	9.4
West Virginia | Major Broadband Project Strategies
Other Income [Line Items]
Increase (decrease) in grants receivable	2.2
West Virginia | Line Extension Advancement and Development Programs
Other Income [Line Items]
Increase (decrease) in grants receivable	0.4
VIRGINIA
Other Income [Line Items]
Increase (decrease) in grants receivable	$ 6.3

X

- Definition

Increase (Decrease) in Grants Receivable

+ References

No definition available.

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- Definition

Other Income [Line Items]

+ References

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- Definition

Proceeds From Government Grant Reimbursements

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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