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Goodwill and Intangible Assets - Amortization Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization expense | $ 36,317 | $ 37,552 | $ 111,246 | $ 93,976
Belbuca |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization expense | 18,850 | 18,848 | 56,545 | 39,581
Nucynta Products (1) |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization expense | 15,646 | 16,795 | 49,237 | 50,385
Symproic |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization expense | $ 1,821 | 1,821 | $ 5,464 | 3,825
Elyxyb |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization expense |  | $ 88 |  | $ 185

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-5 + Details
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