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Business Acquisition - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Aug. 21, 2018
Dec. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Business Acquisition [Line Items]        
Amortization of intangible assets     $ 17,236 $ 10,653
Blue Microphones Holding Corporation        
Business Acquisition [Line Items]        
Payments to acquire business, gross $ 134,800      
Inventory adjustment due to purchase accounting $ 1,800      
Business acquisition related costs     1,500  
Net sales contributed by acquiree   $ 24,800 $ 32,500  
Percent of net sales contributed by acquiree   3.00% 2.00%  
Developed technology | Blue Microphones Holding Corporation        
Business Acquisition [Line Items]        
Amortization of intangible assets   $ 1,000 $ 1,200  
Customer relationships and trade name | Blue Microphones Holding Corporation        
Business Acquisition [Line Items]        
Amortization of intangible assets   $ 1,000 $ 1,400  
Level 3 | Developed technology | Blue Microphones Holding Corporation        
Business Acquisition [Line Items]        
Royalty rate for fair value measurement 10.00%      
Level 3 | Trade name | Blue Microphones Holding Corporation        
Business Acquisition [Line Items]        
Royalty rate for fair value measurement 3.00%      
Discount rate for value measurement 11.00%      
Discount Rate | Level 3 | Developed technology | Blue Microphones Holding Corporation        
Business Acquisition [Line Items]        
Discount rate for value measurement 11.00%      
Discount Rate | Level 3 | Customer relationships | Blue Microphones Holding Corporation        
Business Acquisition [Line Items]        
Discount rate for value measurement 11.00%