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Mergers and Acquisitions - Narratives (Details) - USD ($)
6 Months Ended 12 Months Ended
Jul. 02, 2020
Mar. 13, 2020
Jun. 30, 2020
Dec. 31, 2019
Mar. 05, 2020
Oct. 06, 2017
Sep. 22, 2016
Business Acquisition [Line Items]              
Preferred Stock, Dividend Rate, Percentage     6.75% 6.75%      
Senior Notes due 2024 [Member]              
Business Acquisition [Line Items]              
Debt instrument, interest rate, stated percentage     7.00%       7.00%
Senior Notes Due 2025 [Member]              
Business Acquisition [Line Items]              
Debt instrument, interest rate, stated percentage           8.00%  
Senior Notes due 2023 [Member]              
Business Acquisition [Line Items]              
Debt instrument, interest rate, stated percentage     7.25%        
Senior Notes due 2023 [Member] | Subsequent Event [Member] | Cincinnati Bell Inc. [Member]              
Business Acquisition [Line Items]              
Debt instrument, interest rate, stated percentage 7.25%            
Senior Notes Due 2028 [Member] | Subsequent Event [Member] | Cincinnati Bell Telephone Company LLC (CBT) [Member]              
Business Acquisition [Line Items]              
Debt instrument, interest rate, stated percentage 6.30%            
Brookfield Infrastructure Group [Member]              
Business Acquisition [Line Items]              
Common shares price per share as stock consideration         $ 14.50    
Termination fee   $ 24,800,000          
MIP Merger [Member]              
Business Acquisition [Line Items]              
Common shares price per share as stock consideration   $ 15.50          
MIP Merger [Member] | Senior Notes due 2024 [Member] | Subsequent Event [Member]              
Business Acquisition [Line Items]              
Aggregate cash payment on pro rata basis $ 2,812,500            
MIP Merger [Member] | Senior Notes Due 2025 [Member] | Subsequent Event [Member]              
Business Acquisition [Line Items]              
Aggregate cash payment on pro rata basis $ 1,050,000