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v3.25.2

Benefit Plans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Pension and Supplemental Executive Retirement Plans |  |  |  |  |
Components of Net Periodic Benefit Cost [Abstract] |  |  |  |  |
Company service cost | $ 0 |  | $ 0 | $ 0 | $ 0
Interest cost | 3,297 |  | 3,247 | 6,596 | 6,494
Expected return on plan assets | (3,442) |  | (3,644) | (6,884) | (7,288)
Net actuarial losses (gains) | 546 |  | 523 | 1,092 | 1,046
Prior service cost (credit) | 87 |  | 86 | 173 | 172
Cost of settlements and curtailments | 3,680 |  | 0 | 3,680 | 0
Net periodic benefit cost (benefit) | 4,168 |  | 212 | 4,657 | 424
Other Postretirement Benefit Plans |  |  |  |  |
Components of Net Periodic Benefit Cost [Abstract] |  |  |  |  |
Company service cost | 235 |  | 417 | 469 | 834
Interest cost | 311 |  | 375 | 622 | 750
Expected return on plan assets | (2,911) |  | (2,494) | (5,822) | (4,988)
Net actuarial losses (gains) | (693) |  | (380) | (1,385) | (760)
Prior service cost (credit) | 117 |  | 453 | 235 | 906
Cost of settlements and curtailments | 0 |  | 0 | 0 | 0
Net periodic benefit cost (benefit) | $ (2,941) |  | $ (1,629) | $ (5,881) | $ (3,258)
Pension Plan |  |  |  |  |
Components of Net Periodic Benefit Cost [Abstract] |  |  |  |  |
Company contribution to qualified pension plan |  | $ 7,500 |  |  |

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