GOODWILL AND INTANGIBLE ASSETS (Details 2) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Finite Lived and Indefinite Lived Intangible Assets and Liabilities by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	$ 29,032	$ 29,172
Finite-Lived Intangible Assets, Accumulated Amortization	11,825	10,056
Finite-Lived Intangible Assets, Net	17,207	19,116
Other intangible assets, net	28,018	30,217
Technical Know How [Member]
Finite Lived and Indefinite Lived Intangible Assets and Liabilities by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	12,956	12,984
Finite-Lived Intangible Assets, Accumulated Amortization	6,833	5,730
Customer Relationships [Member]
Finite Lived and Indefinite Lived Intangible Assets and Liabilities by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	9,011	9,047
Finite-Lived Intangible Assets, Accumulated Amortization	1,315	871
Land Rights [Member]
Finite Lived and Indefinite Lived Intangible Assets and Liabilities by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	2,672	2,796
Finite-Lived Intangible Assets, Accumulated Amortization	271	228
Patents, trade names, drawings, and other [Member]
Finite Lived and Indefinite Lived Intangible Assets and Liabilities by Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	4,393	4,345
Finite-Lived Intangible Assets, Accumulated Amortization	3,406	3,227
Trade names [Member]
Finite Lived and Indefinite Lived Intangible Assets and Liabilities by Major Class [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 10,811	$ 11,101