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PENSION PLAN AND OTHER BENEFIT PLANS - Changes in Projected Benefit Obligation and Plan Assets, and Funded Status (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Pension Plan |  |
Change in projected benefit obligation: |  |
Benefit obligation at beginning of year | $ 30,506 | $ 40,404
Service cost | 0 | 0
Interest cost | 1,605 | 1,130
Actuarial (gain) loss | 1,098 | (8,856)
Curtailments | 0 | 0
Settlements | 0 | 0
Benefits paid | (2,186) | (2,172)
Benefit obligation at end of year | 31,023 | 30,506
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 44,656 | 52,987
Actual return on plan assets | 4,480 | (6,159)
Employer contributions | 0 | 0
Settlements | 0 | 0
Benefits paid | (2,186) | (2,172)
Fair value of plan assets at end of year | 46,950 | 44,656
Funded status of plan | 15,927 | 14,150
Defined Benefit Health Care Plan |  |
Change in projected benefit obligation: |  |
Benefit obligation at beginning of year | 95 | 194
Service cost | 0 | 0
Interest cost | 5 | 3
Participant contributions | 18 | 18
Amendments | 0 | 0
Actuarial (gain) loss | 3 | (71)
Benefits paid | (45) | (49)
Benefit obligation at end of year | 76 | 95
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 0 | 0
Employer contributions | 27 | 31
Plan participants’ contributions | 18 | 18
Benefits paid | (45) | (49)
Fair value of plan assets at end of year | 0 | 0
Funded status of plan | (76) | (95)
Executive Supplemental Pension Plan |  |
Change in projected benefit obligation: |  |
Benefit obligation at beginning of year | 948 | 1,173
Service cost | 0 | 0
Interest cost | 48 | 32
Actuarial (gain) loss | 37 | (148)
Benefits paid | (109) | (109)
Benefit obligation at end of year | 924 | 948
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 0 | 0
Employer contributions | 109 | 109
Benefits paid | (109) | (109)
Fair value of plan assets at end of year | 0 | 0
Funded status of plan | $ (924) | $ (948)

X
- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 60 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480266/715-60-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(6) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of contributions received by defined benefit plan from participant which increase benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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