Development, Commercialization and Supply Agreements - Summary of Licensing Revenue (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
License And Collaboration Agreements [Line Items]
Revenue recognized related to upfront and milestone payments				$ 0	$ 4,850
Revenue recognized related to upfront and milestone payments			$ 4,900
Licenses revenue		$ 72,741	67,491	114,757	124,010
Edding
License And Collaboration Agreements [Line Items]
Revenue recognized related to upfront and milestone payments			$ 4,000
Edding | Out-licenses
License And Collaboration Agreements [Line Items]
Revenue recognized related to upfront and milestone payments	[1]			0
Revenue recognized related to upfront and milestone payments	[1]				$ 19,450
Edding | Out-licenses | Licensing Revenue
License And Collaboration Agreements [Line Items]
Licenses revenue				$ 40,081		$ 40,081

[1] Licensing revenue under the DCS Agreement is recognized concurrent with the input measure of support hours provided by Amarin to Edding in achieving the combined development and regulatory performance obligation, which in the Company’s judgment is the best measure of progress towards satisfying this performance obligation.