EMPLOYEE BENEFIT PLANS - Pension Obligations Assumptions (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Share-based Payment Arrangement [Abstract]
Discount rate (as a percent)	0.90%	0.40%
Mobility rate (as a percent)	4.70%	5.20%
Salary progression rate (as a percent)	2.50%	2.00%