RESTRUCTURING - Summary of Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 458	$ 829	$ 458	$ 829
Operating Segments | DynaEnergetics Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	458	755	458	755
Corporate, Non-Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		74		74
Severance
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	20	799	20	799
Severance | Operating Segments | DynaEnergetics Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	20	725	20	725
Severance | Corporate, Non-Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		74		74
Asset Impairment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	143		143
Asset Impairment | Operating Segments | DynaEnergetics Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	143		143
Contract Termination Costs
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		16		16
Contract Termination Costs | Operating Segments | DynaEnergetics Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		16		16
Contract Termination Costs | Corporate, Non-Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		0		0
Other Exit Costs
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	295		295
Other Exit Costs | Operating Segments | DynaEnergetics Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 295		$ 295
Equipment Moving Costs
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		14		14
Equipment Moving Costs | Operating Segments | DynaEnergetics Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		14		14
Equipment Moving Costs | Corporate, Non-Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		$ 0		$ 0