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Note 1 - Description of Business and Basis of Presentation (Details Textual) $ in Millions |  |  | 9 Months Ended
--- | --- | --- | ---
May 03, 2021 USD ($) | Jul. 01, 2020 USD ($) | Sep. 30, 2021
Number of States in which Entity Operates |  |  | 24
Number of Customers |  |  | 1,144,000
Number of Operating Segments |  |  | 1
Valu-Net [Member] |  |  |
Payments to Acquire Businesses, Gross |  | $ 38.9 |
Hargray [Member] |  |  |
Payments to Acquire Businesses, Gross | $ 2,000.0 |  |
Business Acquisition, Percentage of Voting Interests Acquired | 85.00% |  |
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination, Total | $ 2,200.0 |  |
Data [Member] |  |  |
Number of Customers |  |  | 1,030,000
Video [Member] |  |  |
Number of Customers |  |  | 279,000
Voice [Member] |  |  |
Number of Customers |  |  | 151,000

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599 + Details
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