Quarterly report pursuant to Section 13 or 15(d)

Revenue from Contracts with Customers (Details)

v3.10.0.1
Revenue from Contracts with Customers (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]            
Net revenue $ 85,010 $ 113,581 $ 297,370 $ 306,597    
Customer contract liabilities 151   151   $ 0  
Accrued price protection liability 14,418 28,229 14,418 28,229 21,571 $ 15,176
Right of return assets 200   200      
Connected Home [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Net revenue 42,026 65,621 164,201 222,074    
Infrastructure [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Net revenue 19,733 23,714 59,708 50,666    
Industrial and multi-market [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Net revenue $ 23,251 $ 24,246 $ 73,461 $ 33,857    
Sales Revenue, Net [Member] | Connected Home [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Concentration risk percentage 49.00% 58.00% 55.00% 72.00%    
Sales Revenue, Net [Member] | Infrastructure [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Concentration risk percentage 23.00% 21.00% 20.00% 17.00%    
Sales Revenue, Net [Member] | Industrial and multi-market [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Concentration risk percentage 27.00% 21.00% 25.00% 11.00%    
Accounts Receivable [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Impairment losses $ 0          
Reduction in Transaction Price [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Accrued obligations to customers for price adjustments $ 6,158   $ 6,158   $ 0