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EMPLOYEE BENEFIT PLANS (Tables) | 12 Months Ended
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Dec. 31, 2023
EMPLOYEE BENEFIT PLANS |
Schedule of changes in accumulated postretirement benefit obligation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​
​ |  | 2023 |  | 2022 |
Benefit obligation, beginning of year | ​ | $ | 9,961 | ​ | $ | 13,235 | ​
Service cost | ​ |  | 142 | ​ |  | 241 | ​
Interest cost | ​ |  | 477 | ​ |  | 336 | ​
Actuarial (gain)/loss | ​ |  | 276 | ​ |  | (3,323) | ​
Benefits paid | ​ |  | (539) | ​ |  | (528) | ​
Benefit obligation, end of year | ​ | $ | 10,317 | ​ | $ | 9,961 | ​
Schedule of net periodic postretirement benefit cost (income) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022 |  | 2021 |
Service cost—benefits attributed to service during the period | ​ | $ | 142 | ​ | $ | 241 | ​ | $ | 270 | ​
Interest cost on the accumulated postretirement benefit obligation | ​ |  | 477 | ​ |  | 336 | ​ |  | 291 | ​
Net amortization | ​ |  | (758) | ​ |  | (826) | ​ |  | (1,405) | ​
Net periodic postretirement benefit cost (income) | ​ | $ | (139) | ​ | $ | (249) | ​ | $ | (844) | ​
​

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- Definition Tabular disclosure of the change in the accumulated postemployment benefit obligation from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (a) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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