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 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]            
Net revenue $ 101,533 $ 104,175 $ 212,360 $ 193,016    
Customer contract liabilities 145   145   $ 0  
Accrued price protection liability 20,080 24,623 20,080 24,623 21,571 $ 15,176
Right of return assets 300   300      
Connected Home [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Net revenue 56,517 79,214 122,175 156,454    
Infrastructure [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Net revenue 19,485 15,418 39,975 26,952    
Industrial and multi-market [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Net revenue $ 25,531 $ 9,543 $ 50,210 $ 9,610    
Sales Revenue, Net [Member] | Connected Home [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Concentration risk percentage 56.00% 76.00% 58.00% 81.00%    
Sales Revenue, Net [Member] | Infrastructure [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Concentration risk percentage 19.00% 15.00% 19.00% 14.00%    
Sales Revenue, Net [Member] | Industrial and multi-market [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Concentration risk percentage 25.00% 9.00% 24.00% 5.00%    
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 8,331   $ 8,331   0  
Sales Returns and Allowances [Member]            
Revenues from External Customers and Long-Lived Assets [Line Items]            
Accrued obligations to customers for price adjustments $ 1,573   $ 1,573   $ 0