EMPLOYEE BENEFIT PLANS - Investment of Plan Assets (Details) - Pension Benefits	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of  Plan Assets	100.00%	100.00%
Domestic equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of  Plan Assets	29.00%	44.00%
International equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of  Plan Assets	18.00%	30.00%
Domestic fixed income securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of  Plan Assets	51.00%	21.00%
International fixed income securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of  Plan Assets	0.00%	3.00%
Real estate fund
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of  Plan Assets	2.00%	2.00%
Defined Benefit Plan, Equity Securities | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of  Plan Assets	80.00%