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Retirement Benefit Plans - Contributions and Funding Status of the Fund (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Retirement Benefits [Abstract]      
Contributions $ 482 $ 448 $ 448
Funded Status At least 80 percent At least 80 percent