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Segment Information (Details Textual) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) segment | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Revenue from External Customer [Line Items] |  |  |
Revenues from anti-CD20 therapeutic programs in percentage | 13.00% | 11.00% | 12.00%
Long-lived assets related to operations in Denmark | $ 3,182.4 | $ 2,501.8 | $ 2,187.6
Segment Information (Textual) [Abstract] |  |  |
Number of reportable segment | segment | 1 |  |
Distributor One |  |  |
Revenue from External Customer [Line Items] |  |  |
Entity wide percentage of revenue from major distributors | 34.00% | 35.00% | 34.00%
Distributor Two |  |  |
Revenue from External Customer [Line Items] |  |  |
Entity wide percentage of revenue from major distributors | 21.00% | 22.00% | 26.00%
Solothurn |  |  |
Revenue from External Customer [Line Items] |  |  |
Long-lived assets related to operations in Denmark | $ 1,215.7 | $ 545.5 | $ 161.5
DENMARK |  |  |
Revenue from External Customer [Line Items] |  |  |
Long-lived assets related to operations in Denmark | $ 707.1 | $ 643.6 | $ 684.9

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