SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Accounts receivable, allowance for credit loss, net recoveries	$ 20
Deferred compensation, mutual funds held by the trust	13,973	$ 13,812
Level 1
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Deferred compensation, mutual funds held by the trust	$ 9,430	$ 9,083
Minimum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Payment terms, period	30 days
Maximum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Payment terms, period	90 days
Variable Interest Entity
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Notes receivable, term		5 years
Notes receivable, current	$ 974
Notes receivable, noncurrent	8,768
DynaEnergetics
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Provisions of accounts receivable credit loss, unrecorded	$ 1,237