INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Dec. 06, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Jan. 19, 2018
Intangible assets subject to amortization
Gross Amount		$ 89,162		$ 89,162		$ 89,735
Accumulated amortization		(25,400)		(25,400)		(21,381)
Net Book Value		63,762		63,762		68,354
Amortization expense for intangible assets		1,429	$ 872	4,291	$ 2,634
Estimated amortization expense
Remainder of 2019		1,424		1,424
2020		5,698		5,698
2021		5,454		5,454
2022		5,454		5,454
2023		5,374		5,374
2024		5,072		5,072
Thereafter		35,286		35,286
Total estimated amortization expense		63,762		63,762
TCI
Intangible assets subject to amortization
Amortizable intangible assets	$ 36,400	36,400		36,400
Maval OE Steering
Intangible assets subject to amortization
Intangible assets resulting from the acquisition		3,870		3,870			$ 3,870
Customer lists
Intangible assets subject to amortization
Gross Amount		64,151		64,151		64,439
Accumulated amortization		(18,231)		(18,231)		(15,343)
Net Book Value		45,920		$ 45,920		49,096
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		12,185		$ 12,185		12,249
Accumulated amortization		(3,899)		(3,899)		(3,305)
Net Book Value		8,286		$ 8,286		8,944
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		12,802		$ 12,802		13,023
Accumulated amortization		(3,259)		(3,259)		(2,723)
Net Book Value		9,543		$ 9,543		10,300
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		24
Accumulated amortization		(11)		(11)		(10)
Net Book Value		$ 13		$ 13		$ 14