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COMMITMENTS AND CONTINGENT LIABILITIES (Lease Commitments) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Lease commitments: |  |  |
2019 | $ 1,551 |  |
2020 | 1,488 |  |
2021 | 1,330 |  |
2022 | 1,224 |  |
2023 and after | 2,719 |  |
Total | 8,312 |  |
TAT Industries [Member] |  |  |
Lease commitments: |  |  |
Lease expense | $ 767 | $ 740 | $ 683
TAT Technologies Ltd [Member] | Maximum [Member] |  |  |
Lease commitments: |  |  |
Lease expiration date | Dec. 31, 2024 |  |
Limco Piedmont Inc [Member] |  |  |
Lease commitments: |  |  |
Lease expense | $ 494 | $ 474 | $ 419
Limco Piedmont Inc [Member] | Maximum [Member] |  |  |
Lease commitments: |  |  |
Lease expiration date | Dec. 31, 2029 |  |

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- Definition Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697 + Details
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