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Income Taxes - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Income tax provision (benefit) $ 1,420,000 $ (7,280,000)  
Effective income tax rate (1.80%) 20.20%  
Valuation allowance $ 84,600,000    
Unrecognized tax benefits 29,500,000    
Unrecognized tax benefits that would impact the Company's effective tax rate 2,400,000    
Unrecognized tax benefits that would impact goodwill 27,100,000   $ 27,100,000
Unrecognized tax benefits, income tax penalties expense 0    
Unrecognized tax benefits, interest on income taxes expense 1,300,000    
Unrecognized tax benefits, income tax penalties accrued 8,600,000    
Unrecognized tax benefits, interest on income taxes accrued $ 13,400,000