Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Statement of Comprehensive Income [Abstract]
Net income	$ 57,342	$ 61,985	$ 75,184	$ 102,333
Defined benefit pension plans
Amortization of actuarial loss, net of tax of $2, $2, $5, and $4, respectively	7	6	14	12
Other comprehensive income, net of tax	7	6	14	12
Comprehensive income	$ 57,349	$ 61,991	$ 75,198	$ 102,345

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