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Related Party Transactions - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Principal Owner      
Related Party Transaction [Line Items]      
Spectrum Acquisition, tax preparation and other fees $ 0.7 $ 0.7 $ 0.7
Principal Owner | Minimum | Spectrum Inc.      
Related Party Transaction [Line Items]      
Non controlling ownership interest minimum 5.00%    
C Technologies      
Related Party Transaction [Line Items]      
Tax payable   0.5  
Income tax paid   $ 0.3 $ 1.6