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PENSION AND OTHER POSTRETIREMENT PLANS - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted Average Expected Long-Term Rate of Return | 8.85% |  |
Target allocation | 60.00% |  |
Debt securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted Average Expected Long-Term Rate of Return | 3.00% |  |
Target allocation | 40.00% |  |
Pension Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Accumulated benefit obligation | $ 2,300 | $ 2,700 |
Weighted Average Expected Long-Term Rate of Return | 6.50% | 6.50% | 6.50%
Expected amortization next fiscal year | $ 99 |  |
Pension Benefits | Other |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted Average Expected Long-Term Rate of Return | 0.10% |  |
Pension Benefits | Equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted Average Expected Long-Term Rate of Return | 8.85% |  |
Pension Benefits | Debt securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted Average Expected Long-Term Rate of Return | 3.00% |  |
SERP Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Accumulated benefit obligation | $ 900 | $ 1,000 |
Weighted Average Expected Long-Term Rate of Return | 6.50% | 6.50% | 6.50%
Expected amortization next fiscal year | $ 44 |  |
SERP Benefits | Other |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted Average Expected Long-Term Rate of Return | 0.10% |  |
SERP Benefits | Equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted Average Expected Long-Term Rate of Return | 8.85% |  |
SERP Benefits | Debt securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted Average Expected Long-Term Rate of Return | 3.00% |  |

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- Definition Target allocation percentages, or range of percentages, considering the major categories of plan assets as of the latest statement of financial position presented (on a weighted-average basis for employers with more than one plan) that are pertinent to an understanding of the plan investment policies and strategies. + References No definition available. + Details
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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + 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 (e) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition 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. + 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)(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 + Details
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