| Component: (Network and Table) | |
|---|---|
| Network | 155 - Disclosure - Future Minimum Lease Payments Net of Sublease Rental Income (Detail) (http://www.amarincorp.com/taxonomy/role/DisclosureFutureMinimumLeasePaymentsNetOfSubleaseRentalIncome) |
| Table | Leases Disclosure [Table] |
| Reporting Entity [Axis] | 0000897448 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Leases Disclosure [Line Items] | Period [Axis] |
|---|---|
2016-12-31 | |
Operating | |
2017 | |
2018 | |
2019-2021 | |
Total |