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Basis of Presentation and Summary of Significant Accounting Policies - Goodwill and Other Identifiable Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | May 31, 2019 | Dec. 31, 2018
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Summary of Goodwill and Other Identifiable Intangible Assets |  |  |
Goodwill | $ 93,513 |  | $ 86,646
Total goodwill and other identifiable intangible assets, net | 309,781 |  | 306,439
Complete technology |  |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |  |
Definite lived intangible assets | 242,813 |  | 235,413
Less: accumulated amortization | (44,786) |  | (35,070)
Trade name |  |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |  |
Definite lived intangible assets | 2,642 |  | 2,642
Less: accumulated amortization | (1,147) |  | (1,048)
Customer relationships |  |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |  |
Definite lived intangible assets | 29,600 |  | 29,600
Less: accumulated amortization | (12,854) |  | (11,744)
Commercial license rights |  |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |  |
Definite lived intangible assets | 50,298 |  | 36,298
Less: accumulated amortization | (14,885) |  | (4,838)
Total goodwill and other identifiable intangible assets, net | 35,413 |  | 31,460
Aziyo and CorMatrix | Commercial license rights |  |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |  |
Definite lived intangible assets | 17,696 |  | 17,696
Novan | Commercial license rights |  |  |
Summary of Goodwill and Other Identifiable Intangible Assets |  |  |
Definite lived intangible assets | 12,000 | $ 12,000 | 0
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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