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Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2023
Accumulated Other Comprehensive Loss |
Schedule of changes in accumulated other comprehensive loss, net of tax | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Foreign |  | Defined benefit |  | ​ | ​ |
​ | ​ | currency | ​ | pension plan | ​ | Total |
​ | ​ | (in thousands) |
Balance at December 31, 2022 | ​ | $ | (1,994) | ​ | $ | 26 | ​ | $ | (1,968) | ​
Other comprehensive loss and pension reclassification | ​ |  | (961) | ​ |  | — | ​ |  | (961) | ​
Balance at June 30, 2023 | ​ | $ | (2,955) | ​ | $ | 26 | ​ | $ | (2,929) | ​

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