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TAXES ON INCOME (Narrative) (Details) (USD $) | 1 Months Ended | 12 Months Ended
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Aug. 31, 2013 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Income Taxes Line Items |  |  |  |  |  |  |
Period of tax benefit for approved enterprise, maximum |  |  |  |  | 7 years |  |
Preferred Income tax rate not within Development Zone A |  |  | 12.00% | 16.00% | 12.50% | 15.00% | 15.00%
Period of tax benefit for approved enterprise, commencement of production, maximum |  |  |  |  | 12 years |  |
Period of tax beneift for approved enterprise, since date of approval, maximum. |  |  |  |  | 14 years |  |
Tax exempt period for income, approved enterprise |  |  |  |  | 2 years |  |
Preferred Income tax rate for Development Zone A |  |  | 6.00% | 9.00% | 7.00% | 10.00% | 10.00%
Special Preferred Enterprise income tax rate for Development Zone A |  |  |  |  | 5.00% |  |
Special Preferred Enterprise tax rate not within Development Zone A |  |  |  |  | 8.00% |  |
The period of Special Preferred Enterprise tax rates apply |  |  |  |  | 10 years |  |
Maximum tax rate on dividends distributed from Preferred Income. | 20.00% |  |  |  | 15.00% |  |
Statutory tax rate in Israel |  |  |  | 26.50% | 25.00% | 25.00% | 24.00%
Amended provision (benefit) at domestic statutory rate |  | 18.00% | 20.00% | 21.00% | 22.00% | 23.00% |
Statutory tax rate changes |  |  |  |  | 25.00% |  |
U.S. subsidiaries tax rate, federal and state |  |  |  | 38.00% | 38.00% | 38.00% |
Accumulated tax exempt income |  |  |  |  | $ 0 |  |
TAT Technologies Ltd [Member] |  |  |  |  |  |  |
Income Taxes Line Items |  |  |  |  |  |  |
Preferred Income tax rate not within Development Zone A |  |  |  | 16.00% | 12.50% | 15.00% | 15.00%
Tax rate on transactions |  |  |  |  | 25.00% |  |
Accumulated tax exempt income |  |  |  |  | 9,700,000 |  |
Tat Technologies Ltd and Bental Industries Ltd [Member] |  |  |  |  |  |  |
Income Taxes Line Items |  |  |  |  |  |  |
Tax rate on transactions |  |  |  |  | 25.00% |  |
Bental Industries Ltd. [Member] |  |  |  |  |  |  |
Income Taxes Line Items |  |  |  |  |  |  |
Preferred Income tax rate for Development Zone A |  |  |  | 9.00% | 7.00% | 10.00% | 10.00%
Accumulated tax exempt income |  |  |  |  | $ 7,750,000 |  |

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- Definition The domestic federal statutory tax rate applicable under enacted and amended tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems. + References No definition available. + Details
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