Earnings Per Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator
Net income	$ 34,854	$ 83,724	$ 74,238	$ 148,055
Denominator
Weighted average common shares outstanding - basic	30,366,109	31,648,130	30,582,376	31,728,544
Dilutive effect of stock-based compensation awards	314,599	444,659	329,710	437,254
Weighted average common shares outstanding - diluted	30,680,708	32,092,789	30,912,086	32,165,798
Earnings per share:
Basic	$ 1.15	$ 2.65	$ 2.43	$ 4.67
Diluted	$ 1.14	$ 2.61	$ 2.40	$ 4.60

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

+ Details

- Definition

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

+ References

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+ Details