| Business Combinations Business Combination - G.hn Business of Marvell (Details) $ in Thousands | Apr. 04, 2017  USD ($) | 
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| G.hn business of Marvell [Member] | |
| Business Acquisition [Line Items] | |
| Payments to Acquire Businesses, Gross | $ 21,000 | 
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- Definition Business Combination, Purchase price No definition available. 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Details 
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