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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, 2023 | Dec. 31, 2022
--- | --- | ---
Pension Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | $ 1,835 | $ 1,820
Pension Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 763 | 718
Pension Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 44 | 43
Pension Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 135 | 131
Pension Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 143 | 158
Pension Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 68 | 34
Pension Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 373 | 232
Pension Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 153 | 484
Pension Benefits | Debt securities - high yield bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 18 |
Pension Benefits | Debt securities - nontraditional bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 12 |
Pension Benefits | Debt securities - bank loan mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 35 |
Pension Benefits | Debt securities - preferred stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 36 |
Pension Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 55 | 20
SERP Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 546 | 606
SERP Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 236 | 249
SERP Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 42 | 16
SERP Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 13 | 43
SERP Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 45 | 57
SERP Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 20 | 12
SERP Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 107 | 63
SERP Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 44 | 149
SERP Benefits | Debt securities - high yield bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 5 |
SERP Benefits | Debt securities - nontraditional bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 4 |
SERP Benefits | Debt securities - bank loan mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 10 |
SERP Benefits | Debt securities - preferred stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 10 |
SERP Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 10 | 17
Level 1 | Pension Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 1,835 | 1,820
Level 1 | Pension Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 763 | 718
Level 1 | Pension Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 44 | 43
Level 1 | Pension Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 135 | 131
Level 1 | Pension Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 143 | 158
Level 1 | Pension Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 68 | 34
Level 1 | Pension Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 373 | 232
Level 1 | Pension Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 153 | 484
Level 1 | Pension Benefits | Debt securities - high yield bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 18 |
Level 1 | Pension Benefits | Debt securities - nontraditional bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 12 |
Level 1 | Pension Benefits | Debt securities - bank loan mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 35 |
Level 1 | Pension Benefits | Debt securities - preferred stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 36 |
Level 1 | Pension Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 55 | 20
Level 1 | SERP Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 546 | 606
Level 1 | SERP Benefits | Equity securities - US large cap common stocks |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 236 | 249
Level 1 | SERP Benefits | Equity securities - US mid cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 42 | 16
Level 1 | SERP Benefits | Equity securities - US small cap stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 13 | 43
Level 1 | SERP Benefits | Equity securities - international stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 45 | 57
Level 1 | SERP Benefits | Equity securities - emerging markets stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 20 | 12
Level 1 | SERP Benefits | Debt securities - intermediate term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 107 | 63
Level 1 | SERP Benefits | Debt securities - short term bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 44 | 149
Level 1 | SERP Benefits | Debt securities - high yield bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 5 |
Level 1 | SERP Benefits | Debt securities - nontraditional bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 4 |
Level 1 | SERP Benefits | Debt securities - bank loan mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 10 |
Level 1 | SERP Benefits | Debt securities - preferred stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 10 |
Level 1 | SERP Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 10 | 17
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 | Debt securities - high yield bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 2 | Pension Benefits | Debt securities - nontraditional bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 2 | Pension Benefits | Debt securities - bank loan mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 2 | Pension Benefits | Debt securities - preferred stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 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 | Debt securities - high yield bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 2 | SERP Benefits | Debt securities - nontraditional bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 2 | SERP Benefits | Debt securities - bank loan mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 2 | SERP Benefits | Debt securities - preferred stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 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 | Debt securities - high yield bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 3 | Pension Benefits | Debt securities - nontraditional bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 3 | Pension Benefits | Debt securities - bank loan mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 3 | Pension Benefits | Debt securities - preferred stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 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 | Debt securities - high yield bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 3 | SERP Benefits | Debt securities - nontraditional bond mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 3 | SERP Benefits | Debt securities - bank loan mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 3 | SERP Benefits | Debt securities - preferred stock mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | 0 |
Level 3 | SERP Benefits | Cash - money market account |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets | $ 0 | $ 0

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