Development, Commercialization and Supply Agreements - Summary of Transaction Price Comprising Upfront Payments and Milestones (Details) - USD ($) $ in Thousands	1 Months Ended									9 Months Ended
	Jun. 30, 2024	Oct. 31, 2023	Jan. 31, 2020	Dec. 31, 2019	Sep. 30, 2018	Sep. 30, 2017	Mar. 31, 2017	Mar. 31, 2016	Feb. 28, 2015	Sep. 30, 2024
Edding
License And Collaboration Agreements [Line Items]
Regulatory development support										$ 1,081
Total Trasanction Price										40,081
Edding | Out-licenses
License And Collaboration Agreements [Line Items]
Non-refundable up-front received									$ 15,000
Edding | Clinical Trial Application | Out-licenses
License And Collaboration Agreements [Line Items]
Non-refundable milestone payment received								$ 1,000
Edding | Achievement of REDUCE-IT Trial | Out-licenses
License And Collaboration Agreements [Line Items]
Non-refundable milestone payment received		$ 3,000
Edding | VASCEPA | Achievement of REDUCE-IT Trial
License And Collaboration Agreements [Line Items]
Non-refundable milestone payment received	$ 15,000
Edding | VASCEPA | Marine | Out-licenses
License And Collaboration Agreements [Line Items]
Non-refundable milestone payment received							$ 5,000
HLS
License And Collaboration Agreements [Line Items]
Total Trasanction Price										$ 13,800
HLS | Out-licenses
License And Collaboration Agreements [Line Items]
Non-refundable up-front received						$ 5,000
Non-refundable milestone payment received			$ 3,800
HLS | Out-licenses | Health Canada
License And Collaboration Agreements [Line Items]
Non-refundable milestone payment received				$ 2,500
HLS | Achievement of REDUCE-IT Trial | Out-licenses
License And Collaboration Agreements [Line Items]
Non-refundable milestone payment received					$ 2,500