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Nature of Operations and Basis of Presentation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
May 18, 2022
Sep. 15, 2014
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2014
Conversion of Stock [Line Items]          
Shares issued on conversion (in shares) 500,000        
Shares converted (in shares) 500,000        
Prepaid expenses and other current assets     $ 11,880 $ 10,147  
Conversion price (in dollars per share) $ 20.00        
Common Class B | Pdv Spectrum Holding Company Llc          
Conversion of Stock [Line Items]          
Equity method investee, cumulative proceeds received on all transactions   $ 10,000      
Spectrum revenue          
Conversion of Stock [Line Items]          
Prepaid expenses and other current assets         $ 7,500