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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Tax Credit Carryforward [Line Items]      
Net tax expense on sale of intellectual property rights $ 7,400    
Tax benefit associated with making a check-the-box election to treat Aesynt as a U.S. disregarded entity   $ 4,200  
Valuation allowance 1,186 1,256  
Unrecognized tax benefits that would impact tax expense 16,800    
Uncertain tax positions, interest and penalties 500 500 $ 300
Interest and penalties accrued 1,000 $ 1,400 $ 1,400
Internal Revenue Service (IRS)      
Tax Credit Carryforward [Line Items]      
Net operating loss 3,200    
State and Local Jurisdiction      
Tax Credit Carryforward [Line Items]      
Net operating loss 7,400    
Foreign Tax Authority      
Tax Credit Carryforward [Line Items]      
Net operating loss 29,500    
Research Tax Credit Carryforward | Internal Revenue Service (IRS)      
Tax Credit Carryforward [Line Items]      
Tax credit carryforward amount 3,100    
Research Tax Credit Carryforward | State and Local Jurisdiction      
Tax Credit Carryforward [Line Items]      
Tax credit carryforward amount $ 15,000