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Long-Term Debt, Funding Agreement with NovaQuest (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 9 Months Ended | 19 Months Ended | 71 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 31, 2018 | May 31, 2022 | Dec. 31, 2023 | Dec. 31, 2023 | Apr. 30, 2028 | Mar. 31, 2023 | Aug. 31, 2018
Carrying Balance of Debt Issued [Abstract] |  |  |  |  |  |  |
Less: current portion |  |  | $ (26,950) | $ (26,950) |  | $ (26,940) |
Total long-term debt, net |  |  | $ 194,560 | 194,560 |  | 180,700 |
Dermavant [Member] | Funding Agreement with NovaQuest [Member] |  |  |  |  |  |  |
Funding Agreement with NovaQuest [Abstract] |  |  |  |  |  |  |
Face amount | $ 17,500 |  |  |  |  |  | $ 100,000
Proceeds from issuance of debt | $ 117,500 |  |  |  |  |  |
Frequency of periodic payment |  |  | quarterly |  |  |  |
Periodic payment |  |  |  | 51,400 |  |  |
Quarterly payments made |  | $ 7,300 |  |  |  |  |
Carrying Balance of Debt Issued [Abstract] |  |  |  |  |  |  |
Fair value of long-term debt |  |  | $ 221,510 | 221,510 |  | 207,640 |
Less: current portion |  |  | (26,950) | (26,950) |  | (26,940) |
Total long-term debt, net |  |  | $ 194,560 | $ 194,560 |  | $ 180,700 |
Dermavant [Member] | Funding Agreement with NovaQuest [Member] | Forecast [Member] |  |  |  |  |  |  |
Funding Agreement with NovaQuest [Abstract] |  |  |  |  |  |  |
Frequency of periodic payment |  |  |  |  | quarterly |  |
Periodic payment |  |  |  |  | $ 176,300 |  |
Debt instrument, term |  |  |  |  | 6 years |  |
Dermavant [Member] | Funding Agreement with NovaQuest [Member] | Maximum [Member] |  |  |  |  |  |  |
Funding Agreement with NovaQuest [Abstract] |  |  |  |  |  |  |
Debt instrument, term | 15 years |  |  |  |  |  |
Maximum milestone payment obligation | $ 440,600 |  |  |  |  |  | 141,000
Right to offset of commercial milestones payment |  |  |  |  |  |  | $ 88,100

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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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