BUSINESS SEGMENTS - Disaggregation of Revenue by Geographic Location (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 110,954	$ 80,915	$ 211,089	$ 148,228
DynaEnergetics
Disaggregation of Revenue [Line Items]
Net sales	88,628	58,899	168,464	108,020
DynaEnergetics | United States
Disaggregation of Revenue [Line Items]
Net sales	75,323	44,164	143,281	80,294
DynaEnergetics | Canada
Disaggregation of Revenue [Line Items]
Net sales	2,919	8,556	6,376	14,341
DynaEnergetics | United Arab Emirates
Disaggregation of Revenue [Line Items]
Net sales	1,594	365	4,098	888
DynaEnergetics | France
Disaggregation of Revenue [Line Items]
Net sales	1	21	41	73
DynaEnergetics | Ukraine
Disaggregation of Revenue [Line Items]
Net sales	1,678	1,109	3,410	1,513
DynaEnergetics | Germany
Disaggregation of Revenue [Line Items]
Net sales	25	53	80	81
DynaEnergetics | Russia
Disaggregation of Revenue [Line Items]
Net sales	570	1,144	1,055	2,426
DynaEnergetics | India
Disaggregation of Revenue [Line Items]
Net sales	47	195	77	829
DynaEnergetics | Egypt
Disaggregation of Revenue [Line Items]
Net sales	872	534	1,734	1,076
DynaEnergetics | Indonesia
Disaggregation of Revenue [Line Items]
Net sales	941	164	1,180	184
DynaEnergetics | Iraq
Disaggregation of Revenue [Line Items]
Net sales	690	245	886	319
DynaEnergetics | China
Disaggregation of Revenue [Line Items]
Net sales	0	0	29	56
DynaEnergetics | Italy
Disaggregation of Revenue [Line Items]
Net sales	0	21	18	31
DynaEnergetics | Hong Kong
Disaggregation of Revenue [Line Items]
Net sales	61	302	61	302
DynaEnergetics | Rest of the world
Disaggregation of Revenue [Line Items]
Net sales	3,907	2,026	6,138	5,607
NobelClad
Disaggregation of Revenue [Line Items]
Net sales	22,326	22,016	42,625	40,208
NobelClad | United States
Disaggregation of Revenue [Line Items]
Net sales	12,304	6,775	21,947	12,481
NobelClad | Canada
Disaggregation of Revenue [Line Items]
Net sales	1,335	1,631	3,359	3,424
NobelClad | United Arab Emirates
Disaggregation of Revenue [Line Items]
Net sales	289	259	1,273	390
NobelClad | France
Disaggregation of Revenue [Line Items]
Net sales	896	1,744	1,653	2,695
NobelClad | Germany
Disaggregation of Revenue [Line Items]
Net sales	828	640	1,831	2,253
NobelClad | South Korea
Disaggregation of Revenue [Line Items]
Net sales	413	828	881	1,831
NobelClad | India
Disaggregation of Revenue [Line Items]
Net sales	155	33	279	803
NobelClad | Spain
Disaggregation of Revenue [Line Items]
Net sales	285	464	346	632
NobelClad | Australia
Disaggregation of Revenue [Line Items]
Net sales	397	0	845	0
NobelClad | China
Disaggregation of Revenue [Line Items]
Net sales	0	4,386	0	7,844
NobelClad | Italy
Disaggregation of Revenue [Line Items]
Net sales	142	872	664	1,077
NobelClad | Sweden
Disaggregation of Revenue [Line Items]
Net sales	836	440	1,137	578
NobelClad | Netherlands
Disaggregation of Revenue [Line Items]
Net sales	378	821	1,012	1,312
NobelClad | Norway
Disaggregation of Revenue [Line Items]
Net sales	1,538	44	2,160	287
NobelClad | South Africa
Disaggregation of Revenue [Line Items]
Net sales	273	30	1,006	193
NobelClad | Rest of the world
Disaggregation of Revenue [Line Items]
Net sales	$ 2,257	$ 3,049	$ 4,232	$ 4,408