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LONG-TERM EMPLOYEE-RELATED OBLIGATIONS (Tables) | 12 Months Ended
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Dec. 31, 2020
Retirement Benefits [Abstract] |
Schedule of Expected Future Benefits | TAT expects to pay $1,409 in future benefits to their employees during 2021 through 2030 upon their normal retirement age. The amount was determined based on the employee’s current salary rates and the number of service years that will be accumulated upon the retirement date. These amounts do not include amounts that might be paid to employees that will cease working for the Israeli company before their normal retirement age.
Year |  | Amount |
2021 |  | $ | 54 |
2022 |  |  | 166 |
2023 |  |  | 240 |
2024 |  |  | 43 |
2025 |  |  | - |
Thereafter (through 2030) |  |  | 906 |
Total |  | $ | 1,409 |

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- Definition Tabular disclosure of forecasted severance payments due in each of the following five years. + References No definition available. + Details
Name: | tatt_ScheduleOfForecastedSeverancePaymentsDueInEachOfFollowingFiveYears
Namespace Prefix: | tatt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration