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Long-Term Obligations and Commitments, Research and Development and Manufacturing Facilities (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2017 | Sep. 30, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Research and Development and Manufacturing Facilities [Abstract] |  |  |  |  |
Loss on extinguishment of financing liability for leased facility |  |  | $ 0 | $ 0 | $ (7,689)
Long-term Mortgage Debt [Member] |  |  |  |  |
Research and Development and Manufacturing Facilities [Abstract] |  |  |  |  |
Face amount | $ 60,400 |  |  |  |
Primary R&D Facility [Member] |  |  |  |  |
Research and Development and Manufacturing Facilities [Abstract] |  |  |  |  |
Payment to acquire building | $ 79,400 |  |  |  |
Interest rate | 3.88% |  |  |  |
Period to make interest only payments on mortgage loan |  |  | 5 years |  |
Loss on extinguishment of financing liability for leased facility |  | $ (7,700) |  |  |
Manufacturing Facility [Member] |  |  |  |  |
Research and Development and Manufacturing Facilities [Abstract] |  |  |  |  |
Payment to acquire building | $ 14,000 |  |  |  |
Interest rate | 4.20% |  |  |  |
Period to make interest only payments on mortgage loan |  |  | 5 years |  |

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- Definition Difference between the purchase price of the facility and the carrying value of our financing liability at the time of the purchase. + References No definition available. + Details
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- Definition Period of time to make only payments of interest on the mortgage loan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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