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Revenues - Net Product Revenues Disaggregated by Product (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 30, 2018 | Mar. 31, 2017
Disaggregation of Revenue [Line Items] |  |
Net product revenues | $ 212,346 | $ 80,887
Product |  |
Disaggregation of Revenue [Line Items] |  |
Net product revenues | 134,272 | 68,877
CABOMETYX |  |
Disaggregation of Revenue [Line Items] |  |
Net product revenues | 128,934 | 62,359
COMETRIQ |  |
Disaggregation of Revenue [Line Items] |  |
Net product revenues | $ 5,338 | $ 6,518

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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