EMPLOYEE BENEFIT PLANS - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) pension_plan	Dec. 31, 2018	Dec. 31, 2017
Retirement Benefits [Abstract]
Number of qualified defined benefit plans | pension_plan	1
Defined Benefit Plan Disclosure [Line Items]
Pension contribution requirements in next fiscal year | $	$ 3.6
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.06%	4.11%	3.48%
Expected long-term return on plan assets	5.72%	7.17%	7.17%