| Component: (Network and Table) | |
|---|---|
| Network | 150 - Disclosure - Property Plant and Equipment (Detail) (http://www.amarincorp.com/taxonomy/role/DisclosurePropertyPlantAndEquipment) |
| Table | Property, Plant and Equipment [Table] |
| Reporting Entity [Axis] | 0000897448 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Property, Plant and Equipment [Line Items] | Period [Axis] | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
2016-12-31 | 2015-12-31 | |||||||||
| Property, Plant and Equipment by Type | Property, Plant and Equipment by Type | |||||||||
| Leasehold improvements | Computer equipment | Furniture and Fixtures | Software | Property, Plant and Equipment, Type [Domain] | Leasehold improvements | Computer equipment | Furniture and Fixtures | Software | Property, Plant and Equipment, Type [Domain] | |
Property, plant and equipment, gross | ||||||||||
Accumulated depreciation and amortization | ( | ( | ||||||||
Construction in progress | ||||||||||
Total property, plant and equipment | 78,000 | 243,000 | ||||||||