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Basis of Presentation and Summary of Significant Accounting Policies - Goodwill and Other Identifiable Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
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Summary of Goodwill and Other Identifiable Intangible Assets |  |
Goodwill | $ 85,961 | $ 85,959
Total goodwill and other identifiable intangible assets, net | 307,962 | 314,543
Complete technology |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 228,413 | 222,900
Less: Accumulated amortization | (29,078) | (23,301)
Trade name |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 2,642 | 2,642
Less: Accumulated amortization | (982) | (916)
Customer relationships |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 29,600 | 29,600
Less: Accumulated amortization | (11,004) | (10,264)
Commercial license rights |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 26,298 | 26,298
Less: Accumulated amortization | (5,861) | (6,772)
Total goodwill and other identifiable intangible assets, net | 20,437 | 19,526
Acquired in-process research and development |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
IPR&D | 2,410 | 7,923
Aziyo and CorMatrix | Commercial license rights |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 17,696 | 17,696
Selexis | Commercial license rights |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | $ 8,602 | $ 8,602

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