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Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jun. 19, 2020
Dec. 31, 2018
Operating Loss Carryforwards [Line Items]          
Deferred Tax Liabilities, Intangible Assets $ 87,351 $ 91,283   $ 92,300  
Deferred tax asset, valuation allowance 3,923 3,456      
Total liabilities for uncertain tax positions including interest and penalties 20,900 29,900      
Uncertain tax positions 3,658 5,292 $ 5,292    
Interest accruals 16,500 23,500      
Penalty accruals 800 1,000      
Income tax expense (benefit) of uncertain tax positions (8,952) 2,818 (13,156)    
Tax indemnification receivable 13,500 20,800      
Tax indemnification expense (income), net 7,121 $ (2,218) $ 10,635    
UK          
Operating Loss Carryforwards [Line Items]          
Deferred tax asset, valuation allowance         $ 1,200
Sweden          
Operating Loss Carryforwards [Line Items]          
Deferred tax assets, net of valuation allowance         1,900
Massachusetts | Investment Tax Credit Carryforward          
Operating Loss Carryforwards [Line Items]          
Tax credits 1,700        
Net operating loss carryovers without expiration date 700        
Tax credits subject to expiration 1,000        
Federal          
Operating Loss Carryforwards [Line Items]          
Net operating loss carryovers 476,200     338,700  
Operating loss carryforwards expire 338,100        
Operating loss carried forward 138,000        
Federal | 2037          
Operating Loss Carryforwards [Line Items]          
Net operating loss carryovers 3,400        
State Research Credit          
Operating Loss Carryforwards [Line Items]          
Net operating loss carryovers 17,400     12,500  
Tax credits $ 3,100     $ 2,500  
Deferred tax assets, net of valuation allowance         $ 800