INCOME TAXES - Schedule of Net Operating Loss Carryforwards (Details) $ in Thousands |
Dec. 31, 2024
USD ($)
|
|---|---|
| Operating Loss Carryforwards [Line Items] | |
| Net operating loss carryforwards | $ 316,718 |
| REE Automotive UK Limited | |
| Operating Loss Carryforwards [Line Items] | |
| Net operating loss carryforwards | 3,228 |
| REE Automotive USA Inc. | |
| Operating Loss Carryforwards [Line Items] | |
| Net operating loss carryforwards | 6 |
| REE Automotive Japan K.K. | |
| Operating Loss Carryforwards [Line Items] | |
| Net operating loss carryforwards | $ 60 |