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v3.25.2

Components of Net Periodic Benefit Cost - Net Periodic (Benefit) Increase Cost (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Pension benefits |  |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |  |
Service cost | $ 0 | $ 0 | $ 0 | $ 0
Interest cost | 299 | 289 | 598 | 578
Expected return on plan assets | (825) | (778) | (1,650) | (1,556)
Amortization of prior service cost | 0 | 0 | 0 | 0
Amortization of the net loss (gain) | 0 | 14 | 0 | 28
Net periodic (decrease) in benefit cost | (526) | (475) | (1,052) | (950)
Other post-retirement benefits |  |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |  |
Service cost | 1 | 3 | 2 | 6
Interest cost | 148 | 135 | 296 | 270
Expected return on plan assets | 0 | 0 | 0 | 0
Amortization of prior service cost | 0 | 0 | 0 | 0
Amortization of the net loss (gain) | (459) | (530) | (918) | (1,060)
Net periodic (decrease) in benefit cost | $ (310) | $ (392) | $ (620) | $ (784)

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