Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net loss	$ (79,176)	$ (68,710)
Postretirement liability adjustment:
Amortization of postretirement liability losses included in net periodic benefit cost, net of tax of $41 and $20 for the three months ended March 31, 2026 and 2025, respectively.	127	63
Postretirement liability adjustment	127	63
Other comprehensive income	127	63
Comprehensive loss attributable to common stockholders	$ (79,049)	$ (68,647)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details