Fair Value - Additional Information (Details)
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1 Months Ended |
12 Months Ended |
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Dec. 20, 2018
USD ($)
Milestone
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Apr. 30, 2019
USD ($)
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Jan. 31, 2019
USD ($)
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Dec. 31, 2019
USD ($)
item
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Dec. 31, 2018
USD ($)
$ / shares
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Dec. 31, 2017
USD ($)
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Apr. 23, 2019
USD ($)
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Dec. 19, 2018
USD ($)
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Apr. 10, 2015
shares
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Apr. 09, 2015
$ / shares
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| Fair Value |
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| Number of investments transferred from level 1 to level 2 | item |
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0
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| Number of investments transferred from level 2 to level 1 | item |
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0
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| Milestone payment due upon approval of NDA |
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$ 45,000,000.0
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| Milestone payment due within 30 days |
$ 5,000,000.0
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| Milestone payment due |
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$ 5,000,000.0
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| Milestone payment due within 180 days |
5,000,000.0
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| Milestone additional payment approval of NDA |
$ 45,000,000.0
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| Number of milestone payment upon approval of NDA | Milestone |
7
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| Milestone annual payment |
$ 6,400,000
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| Milestone payments received |
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$ 5,000,000.0
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$ 5,000,000.0
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| Contingent consideration |
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$ 32,400,000
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$ 65,200,000
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| (Decrease) increase in the fair value of contingent consideration |
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(22,800,000)
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(19,600,000)
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$ 21,600,000
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| 2023 Term Loan |
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| Fair Value |
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| Amount to be realized in future |
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277,900,000
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$ 274,700,000
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| Warrants |
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| Fair Value |
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| Proceeds from the sale of warrants |
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3,000,000.0
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| Recro |
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| Fair Value |
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| Warrants purchase under amendments | shares |
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350,000
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| Warrant strike price | $ / shares |
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$ 8.26
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$ 19.46
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| Maximum | Recro |
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| Fair Value |
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| Milestone payment receivable |
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80,000,000.0
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| Other (Expense) Income, Net |
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| Fair Value |
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| Increase (decrease) in fair value of warrants |
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$ (200,000)
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| Warrants realized gain losses |
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$ 900,000
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| Other (Expense) Income, Net | Maximum |
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| Fair Value |
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| Increase (decrease) in fair value of warrants |
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$ 100,000
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| Discount Rate | Future royalties |
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| Fair Value |
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| Discount rate (as a percent) | item |
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16.0
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| Discount Rate | Real options approach |
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| Fair Value |
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| Discount rate (as a percent) | item |
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16.0
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