STOCK-BASED COMPENSATION AND EQUITY - Total Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Pre-tax stock-based compensation expense	$ 1,717	$ 1,034
Less: income tax effect	(378)	(227)
Net stock-based compensation expense	1,339	807
Unrecognized compensation cost related to non-vested stock-based compensation arrangements	$ 16,500
Period for recognition for which unrecognized compensation costs are expected to be recognized	2 years 4 months 24 days
Costs of sales
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Pre-tax stock-based compensation expense	$ 267	213
Operating expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Pre-tax stock-based compensation expense	$ 1,450	$ 821

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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