INVENTORIES (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Inventory [Line Items]
Raw materials	$ 38,850	$ 35,032
Work-in-process	39,923	27,916
Finished goods	73,003	60,997
Supplies	247	269
Total inventories	152,023	124,214
Arcadia
Inventory [Line Items]
Raw materials	14,601	12,168
Work-in-process	8,040	3,987
Finished goods	55,175	44,348
Supplies	0	0
Total inventories	77,816	60,503
DynaEnergetics
Inventory [Line Items]
Raw materials	14,739	15,209
Work-in-process	22,788	13,672
Finished goods	17,620	14,998
Supplies	0	0
Total inventories	55,147	43,879
NobelClad
Inventory [Line Items]
Raw materials	9,510	7,655
Work-in-process	9,095	10,257
Finished goods	208	1,651
Supplies	247	269
Total inventories	$ 19,060	$ 19,832