The accumulated amount of tax exempt income.

No definition available.

Name:	tatt_AccumulatedAmountOfTaxExemptIncome
Namespace Prefix:	tatt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	tatt_DomesticMaximumTaxRateForDistributedDividendsFromPreferredIncome
Namespace Prefix:	tatt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	tatt_DomesticTaxRateForAlternativePackageOfTaxBenefits
Namespace Prefix:	tatt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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

Name:	tatt_EffectiveIncomeTaxRateReconciliationFederalAndStateIncomeTaxRate
Namespace Prefix:	tatt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	tatt_EffectiveIncomeTaxRateReconciliationUsFederalAndStateTaxRate
Namespace Prefix:	tatt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	tatt_IncomeTaxesLineItems
Namespace Prefix:	tatt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum period of tax beneift related to approved enterprise under domestic law.

+ References

No definition available.

+ Details

Name:	tatt_MaximumPeriodOfTaxBenefitRelatedToApprovedEnterprise
Namespace Prefix:	tatt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum period of tax benefit for approved enterprise from commencement of production.

+ References

No definition available.

+ Details

Name:	tatt_MaximumPeriodOfTaxBenefitRelatedToApprovedEnterpriseFromCommencementOfProduction
Namespace Prefix:	tatt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum period of tax benefit to approved enterprise since date of approval.

+ References

No definition available.

+ Details

Name:	tatt_MaximumPeriodOfTaxBenefitRelatedToApprovedEnterpriseFromDateOfApproval
Namespace Prefix:	tatt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of tax exempt income is applicable, approved enterprise

+ References

No definition available.

+ Details

Name:	tatt_PeriodOfTaxExemptIncomeRelatedToApprovedEnterprise
Namespace Prefix:	tatt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	tatt_PreferredIncomeTaxRateOne
Namespace Prefix:	tatt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	tatt_PreferredIncomeTaxRateTwo
Namespace Prefix:	tatt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The period of time in which Special Preferred Enterprise tax rates are applicable.

+ References

No definition available.

+ Details

Name:	tatt_SpecialPreferredEnterpriseIncomeTaxRatePeriod
Namespace Prefix:	tatt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	tatt_SpecialPreferredEnterpriseIncomeTaxRateTwo
Namespace Prefix:	tatt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	tatt_SpecialPreferredIncomeTaxRateOne
Namespace Prefix:	tatt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 6.I)

-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

+ Details

Name:	us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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 changes in the income tax rates.

+ References

+ Details

Name:	us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

TAXES ON INCOME (Narrative) (Details) (USD $)	1 Months Ended	12 Months Ended
TAXES ON INCOME (Narrative) (Details) (USD $)	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