PENSION PLAN AND OTHER BENEFIT PLANS - Target Allocations Of Plan Assets (Details) - Pension Plan	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (in hundredths)	100.00%	100.00%
Expected return on assets	5.50%	5.50%
Large cap domestic equities
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (in hundredths)	42.00%	43.00%
Expected return on assets	10.10%
Mid-cap domestic equities
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (in hundredths)	0.00%	2.00%
Expected return on assets	10.50%
Small-cap domestic equities
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (in hundredths)	5.00%	3.00%
Expected return on assets	9.00%
International equities
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (in hundredths)	4.00%	3.00%
Expected return on assets	11.10%
Intermediate fixed income
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (in hundredths)	45.00%	45.00%
Expected return on assets	4.20%
Alternative assets
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (in hundredths)	0.00%	0.00%
Expected return on assets	0.00%
Cash
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (in hundredths)	4.00%	4.00%
Expected return on assets	1.10%
Minimum \| Large cap domestic equities
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	20.00%
Minimum \| Mid-cap domestic equities
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	0.00%
Minimum \| Small-cap domestic equities
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	0.00%
Minimum \| International equities
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	0.00%
Minimum \| Intermediate fixed income
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	30.00%
Minimum \| Alternative assets
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	0.00%
Minimum \| Cash
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	0.00%
Maximum \| Large cap domestic equities
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	50.00%
Maximum \| Mid-cap domestic equities
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	15.00%
Maximum \| Small-cap domestic equities
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	10.00%
Maximum \| International equities
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	20.00%
Maximum \| Intermediate fixed income
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	70.00%
Maximum \| Alternative assets
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	10.00%
Maximum \| Cash
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	20.00%

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2919-114920

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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-Section 50
-Paragraph 1
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Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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