LONG-TERM EMPLOYEE-RELATED OBLIGATIONS (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Severance payments actually paid	$ 96	$ 230	$ 166
Expected deposits to be made in the next fiscal year for severance and pension payment obligations	900
Deposits made for severance payment obligations	252	228
2018	1,142
2019	267
2020	54
2021	54
2022	13
Thereafter (through 2027)	816
Total	2,346
TAT and Turbochrome [Member]
Defined Benefit Plan Disclosure [Line Items]
Severance pay expenses	910	777	554
Limco Piedmont Inc [Member]
Defined Benefit Plan Disclosure [Line Items]
401(K) profit sharing plan contributions made by company	$ 350	$ 344	$ 261
Percentage of employees contribution matched by employer	100.00%
Percentage of employees contribution	2.00%
Percentage of employees contribution matched by employer, two	50.00%

The aggregate amount of the benefits expected to be paid.

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan, two.

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Deposits made for severance payment obligations.

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Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.

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Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year.

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-Publisher FASB
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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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Percentage employer matches of the employee's percentage contribution matched.

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- Definition

Cash outflows for payments of postemployment benefits (such as severance pay and health insurance benefits) recognized during the period. Postemployment benefits are benefits paid to employees after employment but before retirement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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Amount of cost (reversal of cost) for pension and other postretirement benefits.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
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