Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details)

v3.7.0.1
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Valuation Allowance [Line Items]          
Valuation Allowances and Reserves, Balance $ 11,500   $ 11,500   $ 61,600
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 50,100        
Income tax provision (benefit) (29,515) $ 78 (27,494) $ 1,071  
Unrecognized Tax Benefits, Period Increase (Decrease)     65,300    
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions     63,300    
Unrecognized Tax Benefits, Interest on Income Taxes Accrued 1,200   1,200    
Unrecognized Tax Benefits, Income Tax Penalties Accrued $ 300   300    
Exar Corporation [Member]          
Valuation Allowance [Line Items]          
Unrecognized Tax Benefits, Increase Resulting from Acquisition     $ 64,300