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Retirement Benefits (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Postemployment Benefits [Abstract] |  |  |  |
Service cost | $ 91 | $ 107 | $ 182 | $ 214
Interest cost | 399 | 374 | 798 | 748
Expected return on plan assets | (684) | (712) | (1,369) | (1,424)
Amortization of net loss | 0 | 19 | 0 | 38
Net Periodic Benefit Income | $ (194) | $ (212) | $ (389) | $ (424)

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