XML 13 R31.htm IDEA: XBRL DOCUMENT v3.19.3
Sale of Promacta License - Narrative (Details) - USD ($)
2 Months Ended 3 Months Ended 9 Months Ended
Mar. 06, 2019
Mar. 06, 2019
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Revenue and gain from disposition of intangible assets $ 827,000,000.0            
Intangible assets, net     $ 216,268,000   $ 216,268,000   $ 219,793,000
Revenue     24,808,000 $ 45,663,000 93,279,000 $ 191,863,000  
Gain from sale of Promacta license   $ 812,800,000 0 0 812,797,000 0  
Promacta              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Revenue   14,200,000 $ 0 $ 27,812,000 $ 14,193,000 $ 68,191,000  
In Process Research and Development | Promacta              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Intangible assets, net $ 0 $ 0