SIGNIFICANT ACCOUNTING POLICIES - Rollforward of Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts, December 31, 2020	$ 2,605
Current period provision for expected credit losses	181	$ 3,381	$ 575
Recoveries of amounts previously reserved	(10)
Impacts of foreign currency exchange rates and other	(3)
Allowance for doubtful accounts, December 31, 2021	2,773	2,605
DynaEnergetics
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts, December 31, 2020	2,590
Current period provision for expected credit losses	181
Recoveries of amounts previously reserved	(10)
Impacts of foreign currency exchange rates and other	(3)
Allowance for doubtful accounts, December 31, 2021	2,758	2,590
NobelClad
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts, December 31, 2020	15
Current period provision for expected credit losses	0
Recoveries of amounts previously reserved	0
Impacts of foreign currency exchange rates and other	0
Allowance for doubtful accounts, December 31, 2021	$ 15	$ 15