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PENSION AND OTHER POSTRETIREMENT PLANS - Schedule of Fair Values of Pension Plan and Postretirement Plan Assets by Asset Category (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Pension Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | $ 1,820 | $ 2,303
Pension Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 718 | 923
Pension Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 43 | 104
Pension Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 131 | 106
Pension Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 158 | 193
Pension Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 34 | 73
Pension Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 232 | 273
Pension Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 484 | 572
Pension Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 20 | 59
SERP Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 606 | 848
SERP Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 249 | 327
SERP Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 16 | 38
SERP Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 43 | 38
SERP Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 57 | 71
SERP Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 12 | 27
SERP Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 63 | 85
SERP Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 149 | 222
SERP Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 17 | 40
SERP Benefits | Interest and dividend income |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets |  | 1
Level 1 | Pension Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 1,820 | 2,303
Level 1 | Pension Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 718 | 923
Level 1 | Pension Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 43 | 104
Level 1 | Pension Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 131 | 106
Level 1 | Pension Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 158 | 193
Level 1 | Pension Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 34 | 73
Level 1 | Pension Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 232 | 273
Level 1 | Pension Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 484 | 572
Level 1 | Pension Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 20 | 59
Level 1 | SERP Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 606 | 848
Level 1 | SERP Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 249 | 327
Level 1 | SERP Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 16 | 38
Level 1 | SERP Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 43 | 38
Level 1 | SERP Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 57 | 71
Level 1 | SERP Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 12 | 27
Level 1 | SERP Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 63 | 85
Level 1 | SERP Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 149 | 222
Level 1 | SERP Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 17 | 40
Level 2 | Pension Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | Pension Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | Pension Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | Pension Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | Pension Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | Pension Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | Pension Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | Pension Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | Pension Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | SERP Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | SERP Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | SERP Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | SERP Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | SERP Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | SERP Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | SERP Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | SERP Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 2 | SERP Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | Pension Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | Pension Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | Pension Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | Pension Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | Pension Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | Pension Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | Pension Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | Pension Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | Pension Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | SERP Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | SERP Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | SERP Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | SERP Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | SERP Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | SERP Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | SERP Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | SERP Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 | 0
Level 3 | SERP Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | $ 0 | $ 0

X
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