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Benefit Plans - Amounts Recognized in Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension Plan [Member]
Amounts arising during the year:
Net loss (gain) on pension assets	$ 1,190	$ (3,246)	$ 24,047
Net (gain) loss on pension obligations	(4,166)	4,851	(38,949)
Reclassification adjustments recognized as components of net periodic benefit cost during the year:
Net (gain) loss	(2,209)	(2,818)	(5,643)
Amount recognized in other comprehensive (loss) income	(5,185)	(1,213)	(20,545)
Other Postretirement Benefits Plan [Member]
Amounts arising during the year:
Net (gain) loss on pension obligations	(963)	(542)	(5,808)
Reclassification adjustments recognized as components of net periodic benefit cost during the year:
Net (gain) loss	1,383	1,676	497
Amount recognized in other comprehensive (loss) income	$ 420	$ 1,134	$ (5,311)

X

- Definition

Amount before tax of increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.

+ References

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Amount before tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption that has not been recognized in net periodic benefit (cost) credit.

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Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive (income) loss for defined benefit plan, attributable to parent entity.

+ References

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Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.

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