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Employee Benefit Plans - Schedule of Net Periodic Benefit Cost Not Yet Recognized (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023 | Jun. 30, 2023
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Retirement Benefits, Description [Abstract] |  |  |
Unamortized net actuarial gain | $ 384 | $ 384 | $ 345
Deferred tax expense | (81) | (81) | (72)
Net unrecognized postretirement benefits included in AOCI | $ 303 | $ 303 | $ 273

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