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Government Grants - Schedule of Awards Under Each Program (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2021
--- | --- | ---
Government Assistance [Line Items] |  |
Total | $ 1,900 | $ 85,751
VIRGINIA | VATI |  |
Government Assistance [Line Items] |  |
Total |  | 60,872
VIRGINIA | RDOF |  |
Government Assistance [Line Items] |  |
Total |  | 887
MARYLAND | Connect MD |  |
Government Assistance [Line Items] |  |
Total |  | 19,609
WEST VIRGINIA | MBPS |  |
Government Assistance [Line Items] |  |
Total |  | 3,560
WEST VIRGINIA | LEAD |  |
Government Assistance [Line Items] |  |
Total |  | $ 823

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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 + Details
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