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Basis of Presentation and Summary of Significant Accounting Policies - Goodwill and Other Identifiable Intangible Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
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Summary of Goodwill and Other Identifiable Intangible Assets |  |
Goodwill | $ 86,809 | $ 86,646
Total goodwill and other identifiable intangible assets, net | 303,099 | 306,439
Complete technology |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 235,413 | 235,413
Less: accumulated amortization | (38,169) | (35,070)
Trade name |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 2,642 | 2,642
Less: accumulated amortization | (1,081) | (1,048)
Customer relationships |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 29,600 | 29,600
Less: accumulated amortization | (12,115) | (11,744)
Commercial license rights |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 38,298 | 36,298
Less: accumulated amortization | (7,275) | (4,838)
Total goodwill and other identifiable intangible assets, net | 31,023 | 31,460
Aziyo and CorMatrix | Commercial license rights |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 17,696 | 17,696
Palvella | Commercial license rights |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 10,000 | 10,000
Selexis | Commercial license rights |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | 8,602 | 8,602
Dianomi | Commercial license rights |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |
Definite lived intangible assets | $ 2,000 | $ 0

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