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INVENTORY (Narrative) (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Schedule of Inventory [Line Items] |  |  |  |
Total amount of Rotables |  | $ 9,183 | $ 8,886 |
Inventory related to discontinued operation |  |  | 580 |
Slow moving inventory write-down |  | $ 769 | $ 490 | $ 691
Subsequent Event [Member] | CRJ landing gear MRO activityt [Member] |  |  |  |
Schedule of Inventory [Line Items] |  |  |  |
Compared value of assets | $ 450 |  |  |
Cost of services | $ 450 |  |  |

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