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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

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