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PENSION AND RETIREMENT PLANS (Tables) | 6 Months Ended
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Jun. 30, 2023
PENSION AND RETIREMENT PLANS |
Schedule of net periodic cost (benefit) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Six months ended
(in thousands) | ​ | June 30, | ​ | June 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
Interest cost | ​ | $ | — | ​ | $ | 33 | ​ | $ | 4 | ​ | $ | 66
Expected return on plan assets | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | —
Amortization of net losses | ​ |  | — | ​ |  | 28 | ​ |  | 22 | ​ |  | 56
Settlement loss | ​ | ​ | 188 | ​ |  | — | ​ | ​ | 2,277 | ​ | ​ | —
Net periodic cost | ​ | $ | 188 | ​ | $ | 61 | ​ | $ | 2,303 | ​ | $ | 122

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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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