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INVENTORIES, NET (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Schedule of Inventory [Line Items]      
Raw materials and components $ 11,333us-gaap_InventoryRawMaterialsNetOfReserves $ 9,648us-gaap_InventoryRawMaterialsNetOfReserves [1]  
Work in process 14,600us-gaap_InventoryWorkInProcessNetOfReserves 14,044us-gaap_InventoryWorkInProcessNetOfReserves [1]  
Spare parts 8,956us-gaap_InventorySuppliesNetOfReserves 4,742us-gaap_InventorySuppliesNetOfReserves [1]  
Finished goods 515us-gaap_InventoryFinishedGoodsNetOfReserves 961us-gaap_InventoryFinishedGoodsNetOfReserves [1]  
Total inventories 35,404us-gaap_InventoryNet 29,395us-gaap_InventoryNet [1]  
MRO Services for Aviation Components [Member]      
Schedule of Inventory [Line Items]      
Inventory previously written down used in provision $ 202tatt_InventoryPreviouslyWrittenDownUsedInProvision
/ us-gaap_StatementBusinessSegmentsAxis
= tatt_MroServicesForAviationComponentsMember
$ 350tatt_InventoryPreviouslyWrittenDownUsedInProvision
/ us-gaap_StatementBusinessSegmentsAxis
= tatt_MroServicesForAviationComponentsMember
$ 1,892tatt_InventoryPreviouslyWrittenDownUsedInProvision
/ us-gaap_StatementBusinessSegmentsAxis
= tatt_MroServicesForAviationComponentsMember
[1] (*) Excluding held for sale assets at December 31, 2013