INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 19, 2019
Intangible assets subject to amortization
Gross Amount	$ 89,735	$ 50,043
Accumulated amortization	(21,381)	(17,970)
Net Book Value	68,354	32,073
Amortization expense for intangible assets	3,655	3,219	$ 3,204
Estimated amortization expense
2019	5,736
2020	5,736
2021	5,481
2022	5,481
2023	5,400
Thereafter	40,520
Total estimated amortization expense	68,354
TCI
Intangible assets subject to amortization
Intangible assets resulting from the acquisition	36,400
Maval OE Steering
Intangible assets subject to amortization
Intangible assets resulting from the acquisition	3,870			$ 3,870
Customer lists
Intangible assets subject to amortization
Gross Amount	64,439	38,659
Accumulated amortization	(15,343)	(12,721)
Net Book Value	$ 49,096	25,938
Customer lists | TCI
Intangible assets subject to amortization
Estimated Life	16 years
Customer lists | Minimum
Intangible assets subject to amortization
Estimated Life	8 years
Customer lists | Maximum
Intangible assets subject to amortization
Estimated Life	17 years
Trade name
Intangible assets subject to amortization
Gross Amount	$ 12,249	6,213
Accumulated amortization	(3,305)	(2,798)
Net Book Value	$ 8,944	3,415
Trade name | TCI
Intangible assets subject to amortization
Estimated Life	19 years
Trade name | Minimum
Intangible assets subject to amortization
Estimated Life	10 years
Trade name | Maximum
Intangible assets subject to amortization
Estimated Life	19 years
Design and technologies
Intangible assets subject to amortization
Gross Amount	$ 13,023	5,147
Accumulated amortization	(2,723)	(2,443)
Net Book Value	$ 10,300	2,704
Design and technologies | Minimum
Intangible assets subject to amortization
Estimated Life	10 years
Design and technologies | Maximum
Intangible assets subject to amortization
Estimated Life	15 years
Patents
Intangible assets subject to amortization
Estimated Life	17 years
Gross Amount	$ 24	24
Accumulated amortization	(10)	(8)
Net Book Value	$ 14	$ 16