Annual report pursuant to Section 13 and 15(d)

Restructuring Activity (Details)

v3.8.0.1
Restructuring Activity (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]      
Restructuring charges $ 9,524 $ 3,432 $ 14,086
Assumed in acquisition 70    
Operating Leases, Rent Expense, Sublease Rentals 2,100 1,300  
Restructuring Liability Rollforward      
Liability as of December 31, 2016 536    
Restructuring charges 9,524 3,432 14,086
Cash payments (5,991) (6,424)  
Non-cash charges (5,505) 112  
Liability as of December 31, 2017 3,039 536  
Stock Based Compensation [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 5,100    
Restructuring Liability Rollforward      
Restructuring charges 5,100    
Employee Separation Expenses [Member]      
Restructuring Cost and Reserve [Line Items]      
Transfers from deferred rent 0    
Restructuring charges 8,353 1,038 5,533
Assumed in acquisition 0    
Restructuring Liability Rollforward      
Liability as of December 31, 2016 0    
Restructuring charges 8,353 1,038 5,533
Cash payments (2,984) (1,047)  
Non-cash charges (5,130) (66)  
Liability as of December 31, 2017 239 0  
Lease Related Impairment [Member]      
Restructuring Cost and Reserve [Line Items]      
Transfers from deferred rent 4,405    
Restructuring charges 1,025 2,264  
Assumed in acquisition 0    
Restructuring Liability Rollforward      
Liability as of December 31, 2016 499    
Restructuring charges 1,025 2,264  
Cash payments (2,861) (4,039)  
Non-cash charges (375) 244  
Liability as of December 31, 2017 2,693 499  
Facility Closing [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 1,025 2,264 8,163
Restructuring Liability Rollforward      
Restructuring charges 1,025 2,264 8,163
Other Restructuring [Member]      
Restructuring Cost and Reserve [Line Items]      
Transfers from deferred rent 0    
Restructuring charges 146 130 390
Assumed in acquisition 70    
Restructuring Liability Rollforward      
Liability as of December 31, 2016 37    
Restructuring charges 146 130 390
Cash payments (146) (1,338)  
Non-cash charges 0 (66)  
Liability as of December 31, 2017 107 37  
Employee Severance [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 3,200    
Restructuring Liability Rollforward      
Restructuring charges $ 3,200    
Entropic Communications [Member]      
Restructuring Liability Rollforward      
Liability as of December 31, 2016   3,416  
Liability as of December 31, 2017     3,416
Entropic Communications [Member] | Employee Separation Expenses [Member]      
Restructuring Liability Rollforward      
Liability as of December 31, 2016   75  
Liability as of December 31, 2017     75
Entropic Communications [Member] | Lease Related Impairment [Member]      
Restructuring Liability Rollforward      
Liability as of December 31, 2016   2,030  
Liability as of December 31, 2017     2,030
Entropic Communications [Member] | Other Restructuring [Member]      
Restructuring Liability Rollforward      
Liability as of December 31, 2016   $ 1,311  
Liability as of December 31, 2017     $ 1,311