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v3.23.1

Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2023
Accumulated Other Comprehensive Income |
Schedule of changes in accumulated other comprehensive income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Unrealized | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Loss on | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Marketable | ​ | Foreign | ​ | ​ | ​
​ |  | Securities |  | Currency Items |  | Total
​ | ​ | (In thousands)
Balance at December 31, 2022 | ​ | $ | (1,336) | ​ | $ | 2,596 | ​ | $ | 1,260
Other comprehensive gain | ​ |  | 863 | ​ |  | — | ​ |  | 863
Balance at March 31, 2023 | ​ | $ | (473) | ​ | $ | 2,596 | ​ | $ | 2,123
​

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