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Debt (Details) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 17, 2023 USD ($) | Dec. 07, 2020 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jul. 29, 2022 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Net proceeds from Pharmakon Tranche A term loan |  |  |  |  | $ 0 | $ 300,000 |
Loss on extinguishment of debt |  |  | $ 0 | $ (29,019) | 0 | (29,019) |
Pharmakon Advisors, LP |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument capitalized interest rate | 0.50 |  |  |  |  |  |
Pharmakon Advisors, LP | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, SOFR floor | 0.0175 |  |  |  |  |  |
Debt instrument, basis spread on variable rate | 7.00% |  |  |  |  |  |
Pharmakon Advisors, LP | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | PIK Interest Payment is Made |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate | 7.25% |  |  |  |  |  |
Pharmakon Advisors, LP | Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, periodic payment |  |  |  |  | $ 25,000 |  |
Debt instrument, prepayment fee, percentage of principal voluntary payments |  |  |  |  | 3.00% |  |
Pharmakon Advisors, LP | Line of Credit | Between the Second and Third Anniversaries |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, prepayment fee, percentage of principal voluntary payments |  |  |  |  | 3.00% |  |
Pharmakon Advisors, LP | Line of Credit | After Fourth Anniversary |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, prepayment fee, percentage of principal voluntary payments |  |  |  |  | 1.00% |  |
Pharmakon Advisors, LP | Line of Credit | After Third Anniversary |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, prepayment fee, percentage of principal voluntary payments |  |  |  |  | 2.00% |  |
Athyrium | Senior Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of lines of credit | $ 241,787 |  |  |  |  |  |
MidCap Financial Services, LLC | Senior Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of lines of credit |  | $ 43,298 |  |  |  |  |
Term Loan Tranche A | Pharmakon Advisors, LP | Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount | $ 300,000 |  |  |  |  |  |
Net proceeds from Pharmakon Tranche A term loan |  |  |  |  | $ 300,000 | $ 300,000 |
Debt instrument, term | 18 months |  |  |  |  |  |
Effective interest rate |  |  | 13.31% | 12.24% | 13.31% | 12.24% |
Interest expense, debt, total |  |  | $ 10,108 | $ 7,648 | $ 20,082 | $ 7,648 |
Periodic payment, interest |  |  | 10,041 |  | 10,041 | 3,824 |
Fair value |  |  | 323,704 | 303,824 | 323,704 | 303,824 |
Debt instrument, unamortized discount (premium) and debt issuance costs, net, total |  |  | 11,147 |  | 11,147 |  |
Amortization of debt issuance costs |  |  | $ 284 | 237 | $ 550 | 237 |
Term Loan Tranche A | Pharmakon Advisors, LP | Line of Credit | PIK Interest Payment is Made |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Percent of interest payment | 0.50 |  |  |  |  |  |
Loan Agreement | Pharmakon Advisors, LP |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount | $ 450,000 |  |  |  |  |  |
Net proceeds from Pharmakon Tranche A term loan | $ 25,805 |  |  |  |  |  |
Credit Agreement | Athyrium |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 200,000 |  |  |  |  |
Debt instrument, term | 17 days |  |  |  |  |  |
Debt instrument, LIBOR floor |  | 1.75% |  |  |  |  |
Debt instrument, LIBOR cap |  | 3.50% |  |  |  |  |
Paid-in-kind interest |  |  |  |  |  | 8,476 |
Long-term debt, total | $ 240,452 |  |  |  |  |  |
Interest expense | $ 1,335 |  |  |  |  |  |
Debt instrument, exit fee, percentage of principal | 2.00% |  |  |  |  |  |
Debt instrument, commitment fee percentage | 1.00% |  |  |  |  |  |
Fee amount | $ 17,261 |  |  |  |  |  |
Deferred financing costs | 11,758 |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  | $ 29,019 |  | 29,019 |
Credit Agreement | Athyrium | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  | 8.25% |  |  |  |  |
Credit Agreement | Athyrium | London Interbank Offered Rate (LIBOR) | PIK Interest Payment is Made |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  | 10.25% |  |  |  |  |
Credit Agreement | Athyrium | Term A Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Net proceeds from Pharmakon Tranche A term loan |  | $ 125,000 |  |  |  |  |
Amortization of debt issuance costs |  |  |  |  |  | $ 1,069 |
Credit Agreement | Athyrium | Term B Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  | $ 25,000
Credit Agreement | Athyrium | Term C Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  | 50,000
Credit Agreement | Athyrium | Term B And C Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  | $ 75,000
Credit Agreement | Athyrium | Term Loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Effective interest rate |  |  |  | 11.75% |  | 11.75% |
Term Loan Tranche B | Pharmakon Advisors, LP | Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount | 50,000 |  |  |  |  |  |
Term Loan Tranche C | Pharmakon Advisors, LP | Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount | 50,000 |  |  |  |  |  |
Term Loan Tranche D | Pharmakon Advisors, LP | Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount | $ 50,000 |  |  |  |  |  |

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