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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss) |
Schedule of components of accumulated other comprehensive income (loss), included in stockholders' equity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, |  | December 31,
​ | ​ | 2023 | ​ | 2022
​ | ​ | (In thousands)
Net unrealized loss on securities available-for-sale | ​ | $ | (20,710) | ​ | $ | (10,984)
Net unrealized loss for unfunded status of defined benefit plan liability | ​ |  | (835) | ​ |  | (835)
​ | ​ | ​ | (21,545) | ​ | ​ | (11,819)
Less: Tax effect | ​ |  | 4,525 | ​ |  | 2,483
Net-of-tax amount | ​ | $ | (17,020) | ​ | $ | (9,336)
​

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