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Segment Information (Details)
Jun. 30, 2021
Fiber Comm LC [Member]  
Segment Information (Details) [Line Items]  
Equity Method Investment, Ownership Percentage 20.00%
Broadband Visions LLC [Member]  
Segment Information (Details) [Line Items]  
Equity Method Investment, Ownership Percentage 24.30%
Independent Emergency Services LLC [Member]  
Segment Information (Details) [Line Items]  
Equity Method Investment, Ownership Percentage 14.29%
SM Broadband LLC [Member]  
Segment Information (Details) [Line Items]  
Equity Method Investment, Ownership Percentage 8.33%