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RETIREMENT BENEFITS (Defined Benefit Retirement Plan) (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Change in plan assets, at fair value: |  |  |  |
Employer contributions |  |  | $ 50 |
Pension Plan |  |  |  |
Change in benefit obligation: |  |  |  |
Benefit obligation at beginning of year |  | $ 0 | 20,420 |
Interest cost |  |  | 212 | $ 485
Actuarial gains |  |  | (1,766) |
Benefits paid |  |  | (5,398) |
Annuity purchase |  |  | (13,468) |
Benefit obligation at end of the year |  |  | 0 | 20,420
Change in plan assets, at fair value: |  |  |  |
Fair value of plan assets at beginning of year |  | 0 | 20,785 |
Actual return on plan assets |  |  | (1,969) |
Benefits paid |  |  | (5,398) |
Annuity purchase |  |  | (13,468) |
Fair value of plan assets at end of year |  |  | 0 | 20,785
Funded status at end of year |  |  | 0 |
Amounts recognized in AOCI: |  |  |  |
Net actuarial losses |  |  | 0 |
Components of net periodic benefit cost: |  |  |  |
Interest cost |  |  | 212 | 485
Expected return on plan assets |  |  | (207) | (549)
Amortization of net actuarial losses |  |  | 225 | 701
Settlement |  |  | 4,884 | 0
Net periodic benefit cost |  |  | $ 5,114 | $ 637
Net periodic cost actuarial assumptions: |  |  |  |
Weighted-average discount rate |  |  | 2.40% | 2.30%
Expected long-term rate of return on plan assets |  |  | 2.30% | 2.70%
Pension Plan | Maximum |  |  |  |
Components of net periodic benefit cost: |  |  |  |
Settlement | $ 4,900 |  |  |
SERPs |  |  |  |
Change in benefit obligation: |  |  |  |
Benefit obligation at beginning of year |  | 9,220 | $ 12,297 |
Interest cost |  | 448 | 301 | $ 264
Actuarial gains |  | 181 | (2,960) |
Benefits paid |  | (575) | (418) |
Benefit obligation at end of the year |  | 9,274 | 9,220 | 12,297
Change in plan assets, at fair value: |  |  |  |
Fair value of plan assets at beginning of year |  | 0 | 0 |
Employer contributions |  | 575 | 418 |
Benefits paid |  | (575) | (418) |
Fair value of plan assets at end of year |  | 0 | 0 | 0
Funded status at end of year |  | (9,274) | (9,220) |
Amounts recognized in AOCI: |  |  |  |
Net transition obligation |  | 0 | (7) |
Net actuarial losses |  | 106 | 701 |
Total amounts recognized in AOCI |  | $ 106 | $ 694 |
Benefit obligation actuarial assumptions: |  |  |  |
Weighted-average discount rate |  | 4.80% | 5.00% |
Components of net periodic benefit cost: |  |  |  |
Interest cost |  | $ 448 | $ 301 | 264
Amortization of net actuarial (gains) losses |  | (74) | 79 | 335
Amortization of net transition obligation |  | 7 | 18 | 18
Net periodic benefit cost |  | $ 381 | $ 398 | $ 617
Net periodic cost actuarial assumptions: |  |  |  |
Weighted-average discount rate |  | 5.10% | 2.70% | 2.10%

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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 -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. + 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/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
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