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Goodwill and Intangible Assets - Cost, accumulated amortization, and carrying amount of intangible assets (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
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Finite-Lived Intangible Assets [Line Items] |  |
Goodwill | $ 133,857 | $ 133,695
Cost | 951,170 | 956,170
Accumulated Amortization | (458,631) | (388,702)
Carrying Amount | $ 492,539 | 567,468
Nucynta Products |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period (Years) | 8 years |
Cost | $ 521,170 | 521,170
Accumulated Amortization | (353,219) | (319,628)
Carrying Amount | $ 167,951 | 201,542
Belbuca |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period (Years) | 4 years 9 months 18 days |
Cost | $ 360,000 | 360,000
Accumulated Amortization | (96,123) | (58,428)
Carrying Amount | $ 263,877 | 301,572
Symproic |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period (Years) | 9 years 7 months 6 days |
Cost | $ 70,000 | 70,000
Accumulated Amortization | (9,289) | (5,646)
Carrying Amount | $ 60,711 | 64,354
Elyxyb |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost |  | 5,000
Accumulated Amortization |  | $ (5,000)

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