The maximum domestic tax rate applied to dividends distributed under Preferred Income.

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The effective tax rate that U.S. subsidiaries are taxed based on federal and state laws.

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Income Tax [Line Items]

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One of the tax rates specified for a certain area within the domestic country of the entity.

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Second tax rate specified for the remaining area within the domestic country of the entity.

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Uniform tax rate for Development Zone A.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deductions. Including, but not limited to, extraterritorial income exclusion deduction, qualified production activity deduction, dividend deduction, deduction for dividend paid to employee stock ownership plan, Medicare prescription drug benefit subsidy deduction, and other deductions.

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TAXES ON INCOME (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended			12 Months Ended
	Dec. 31, 2017	Jan. 31, 2017	Aug. 31, 2013	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes [Line Items]
Preferred Income tax rate not within Development Zone A								12.00%	16.00%	12.50%	15.00%	15.00%
Preferred Income tax rate for Development Zone A								6.00%	9.00%	7.00%	10.00%	10.00%
Maximum tax rate on dividends distributed from Preferred Income.			20.00%					15.00%
Corporate tax rate for Israel				23.00%	23.00%	24.00%
U.S. subsidiaries tax rate, federal and state						38.00%
Reduction of corporate tax rate		25.00%
Uniform tax rate for Development Zone A		7.50%
Deferred tax asset, state operating loss carryforward				$ 3,500	$ 3,375
United States [Member]
Income Taxes [Line Items]
Corporate tax rate for Israel				21.00%
United States [Member] \| Minimum [Member]
Income Taxes [Line Items]
Corporate tax rate for Israel				3.00%
United States [Member] \| Maximum [Member]
Income Taxes [Line Items]
Corporate tax rate for Israel				6.00%
U.S. Subsidiary [Member]
Income Taxes [Line Items]
Deferred tax asset, state operating loss carryforward				$ 1,519
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%
Deferred tax asset, capital loss carryforward				$ 1,502
Turbo chrome [Member]
Income Taxes [Line Items]
Preferred Income tax rate for Development Zone A						7.50%	9.00%	9.00%	9.00%	7.00%	10.00%	10.00%
Tax Year 2017 [Member]
Income Taxes [Line Items]
Reduction of corporate tax rate	24.00%
Tax Year 2018 [Member]
Income Taxes [Line Items]
Reduction of corporate tax rate	23.00%