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RETIREMENT PLANS AND RELATED POST RETIREMENT BENEFITS - Assumptions Used to Determine the Net Periodic Cost (Details) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
SERP |  |  |
Defined Benefit Plan Disclosure |  |  |
Discount Rate | 2.42% | 3.17% | 4.20%
SERP Medical | Minimum |  |  |
Defined Benefit Plan Disclosure |  |  |
Future Average Compensation Increases | 2.00% | 0.00% |
SERP Medical | Maximum |  |  |
Defined Benefit Plan Disclosure |  |  |
Future Average Compensation Increases | 3.00% | 2.00% | 2.00%

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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. + References 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)(1) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. + References 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)(2) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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