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Debt Obligations - 2027 Term Loan - Narrative (Details) $ in Thousands			1 Months Ended		3 Months Ended		12 Months Ended
	Feb. 05, 2024 USD ($)	Jan. 07, 2019 USD ($)	Mar. 31, 2022 USD ($)	Jan. 31, 2022 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 14, 2022 USD ($)	Jan. 05, 2022 USD ($) tranche	Apr. 30, 2020 USD ($)	Jan. 01, 2020	Feb. 29, 2016 USD ($)
Debt Instrument [Line Items]
Outstanding amount paid off								$ 81,750
Outstanding amount payoff								$ 109,000
2027 Term Loans
Debt Instrument [Line Items]
Interest rate					13.91%
2027 Term Loans \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
Spread on variable rate							1.00%
Interest rate							0.26161%
2027 Term Loans \| BioPharma Credit Investments V GP LLC
Debt Instrument [Line Items]
Principal amount										$ 300,000
Number of tranches \| tranche										4
Net carrying value					$ 246,481		$ 246,481
Loan agreement covenants, minimum trailing twelve month net sales for current quarter				$ 200,000
Loan agreement covenants, minimum trailing twelve month net sales for the quarter ended March 30, 2024				$ 210,000
Mandatory prepayment term				10 days
Debt discounts and issuance costs				$ 6,800
Remaining unamortized debt discount and debt offering costs					$ 3,519		$ 3,519
2027 Term Loans \| BioPharma Credit Investments V GP LLC \| Scenario, Plan
Debt Instrument [Line Items]
Loan agreement covenants, minimum trailing twelve-month net sales continuing through the quarter ended December 31, 2026	$ 125,000
2027 Term Loans \| BioPharma Credit Investments V GP LLC \| LIBOR
Debt Instrument [Line Items]
Spread on variable rate				1.00%
2027 Term Loans \| Additional facility amount \| BioPharma Credit Investments V GP LLC
Debt Instrument [Line Items]
Uncommitted additional facility				$ 100,000
2027 Term Loans \| Through March 31, 2023 \| BioPharma Credit Investments V GP LLC
Debt Instrument [Line Items]
Stated interest rate				8.25%
2027 Term Loans \| Starting April 1, 2023
Debt Instrument [Line Items]
Stated interest rate					8.25%		8.25%
Tranche A Loan, funded January 5, 2022 \| BioPharma Credit Investments V GP LLC
Debt Instrument [Line Items]
Principal amount										$ 100,000
Debt discounts and issuance costs				$ 7,800
Tranche B Loan, funded on March 31, 2022 \| BioPharma Credit Investments V GP LLC
Debt Instrument [Line Items]
Principal amount			$ 100,000			$ 100,000
Debt discounts and issuance costs						2,300
Convertible notes, Issuance Cost			1,000			$ 1,000
Tranche C Loan, not funded between April 1, 2022 and March 17, 2023 \| BioPharma Credit Investments V GP LLC
Debt Instrument [Line Items]
Amount not funded				50,000
Tranche D Loan, funded on September 14, 2022 \| BioPharma Credit Investments V GP LLC
Debt Instrument [Line Items]
Principal amount									$ 50,000
Convertible notes, Issuance Cost									$ 500
1.5% Convertible Senior Subordinated Notes due 2026 \| Convertible Notes
Debt Instrument [Line Items]
Principal amount											$ 230,000
Net carrying value					$ 226,888		$ 226,888
Stated interest rate											1.50%
Remaining unamortized debt discount and debt offering costs					$ 3,112		$ 3,112
Effective interest rate					2.10%		2.10%
1.5% Convertible Senior Subordinated Notes due 2026 \| BioPharma Credit Investments V GP LLC \| Scenario, Plan \| Maximum
Debt Instrument [Line Items]
Principal amount				50,000
8.2% Convertible Notes due 2022 \| Convertible Notes
Debt Instrument [Line Items]
Principal amount													$ 100,000
Stated interest rate													8.20%
Outstanding amount payoff			$ 111,100
2025 Term Loan \| Convertible Notes
Debt Instrument [Line Items]
Outstanding amount paid off				81,900
2025 Term Loan \| Lender
Debt Instrument [Line Items]
Principal amount		$ 75,000
Stated interest rate												6.75%
Outstanding amount paid off				$ 81,900
Total term of the loan		6 years
Tranches A, B and D \| BioPharma Credit Investments V GP LLC
Debt Instrument [Line Items]
Remaining unamortized debt discount and debt offering costs					$ 3,500		$ 3,500
Remaining term							3 years