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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, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Research and Development and Manufacturing Facilities [Abstract] |  |  |  |  |
Loss on extinguishment of financing liability for leased facility |  |  | $ 0 | $ (7,689) | $ 0
Primary R&D Facility [Member] |  |  |  |  |
Research and Development and Manufacturing Facilities [Abstract] |  |  |  |  |
Payment to acquire building | $ 79,400 |  |  |  |
Loss on extinguishment of financing liability for leased facility |  | $ (7,689) |  |  |
Proceeds from mortgage loan | $ 51,300 |  |  |  |
Interest rate | 3.88% |  |  |  |
Period to make interest only payments on mortgage loan |  |  | 5 years |  |
Manufacturing Facility [Member] |  |  |  |  |
Research and Development and Manufacturing Facilities [Abstract] |  |  |  |  |
Payment to acquire building | $ 14,000 |  |  |  |
Proceeds from mortgage loan | $ 9,100 |  |  |  |
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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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cash outflow for acquisition of buildings (properties) whether for investment or use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition Cash inflow associated with loan origination (the process when securing a mortgage for a piece of real property) or lease origination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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