| Component: (Network and Table) | |
|---|---|
| Network | 40501 - Disclosure - Property, plant and equipment, net - Tabular Disclosure (Details) (http://www.adaptimmune.com/role/DisclosurePropertyPlantAndEquipmentNetTabularDisclosureDetails) |
| Table | Property, Plant and Equipment [Table] |
| Reporting Entity [Axis] | 0001621227 (http://www.sec.gov/CIK) |
| Property, Plant and Equipment [Line Items] | Period [Axis] | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2016-12-31 | 2015-12-31 | 2015-06-30 | |||||||||||||||
| Property, Plant and Equipment, Type [Axis] | Property, Plant and Equipment, Type [Axis] | Property, Plant and Equipment, Type [Axis] | |||||||||||||||
| Computer equipment | Laboratory equipment | Office equipment | Leasehold improvements | Assets under construction | Property, Plant and Equipment, Type [Domain] | Computer equipment | Laboratory equipment | Office equipment | Leasehold improvements | Assets under construction | Property, Plant and Equipment, Type [Domain] | Computer equipment | Laboratory equipment | Office equipment | Leasehold improvements | Property, Plant and Equipment, Type [Domain] | |
Property, plant and equipment | |||||||||||||||||
Property, plant & equipment, gross | |||||||||||||||||
Less accumulated depreciation | ( | ( | ( | ||||||||||||||
Property, plant & equipment, net | 27,899,000 | 13,225,000 | 5,393,000 | ||||||||||||||