14. Net Income per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Earnings Per Share [Abstract]
Net income	$ 312,956	$ 268,398	$ 898,928	$ 481,538
Weighted-average common shares outstanding	107,049	106,834	107,015	106,795
Effect of restricted stock and performance units	513	664	499	531
Weighted-average shares used in computing diluted net income per share	107,562	107,498	107,514	107,326
Net income per share, basic	$ 2.92	$ 2.51	$ 8.40	$ 4.51
Net income per share, diluted	$ 2.91	$ 2.50	$ 8.36	$ 4.49

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