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Disposals - Additional Information (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Jul. 02, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Jul. 04, 2021
USD ($)
Apr. 04, 2021
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Proceeds from disposal of businesses, net of cash sold     $ 45,735 $ 54,821 $ 0    
Depreciation and amortization       0 23,700    
Capital expenditure       16,700 29,400    
Share-based compensation expense       (900) 900    
Disposal Group, Not Discontinued Operations              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Disposal group, amount carrying value exceeds fair value             $ 3,400
Discontinued Operations, Disposed of by Sale              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Consideration           $ 10,900  
Loss on sale, discontinued operations $ 9,900            
Tax effect of discontinued operation 7,500            
Grass Valley              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Impairment of the disposal group       113,000 521,400    
Accrued interest   $ 13,900          
Proceeds from sale of seller's note     62,000        
Gain on sale of seller's note     $ 27,000        
Grass Valley | Discontinued Operations, Disposed of by Sale              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Proceeds from divestiture of businesses 120,000            
Proceeds from disposal of businesses, net of cash sold 56,200            
Deferred consideration - seller's note 175,000            
Paid-in-kind interest 88,000            
Deferred compensation - earnout payments 178,000            
Fair value of debt instrument $ 34,900            
Payment in kind, annual interest rate 0.085            
Grass Valley | Discontinued Operations, Held-for-sale              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Impairment of the disposal group       $ 113,007 $ 521,441