Computation of Earnings Per Share - Summary of Calculation of Basic Earnings Per Common Share and Diluted Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Numerator:
Net Income (Loss)	$ 49,810	$ 90,695
Denominator:
Denominator for basic earnings per share-weighted average common shares	26,720	26,672
Dilutive effect of share-based awards	68	122
Denominator for diluted earnings per share-adjusted weighted average common shares	26,788	26,794
Basic Earnings Per Share	$ 1.86	$ 3.4
Diluted Earnings Per Share	$ 1.86	$ 3.38

Computation of Earnings Per Share - Summary of Calculation of Basic Earnings Per Common Share and Diluted Earnings Per Common Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands

3 Months Ended

Mar. 31, 2025

Mar. 31, 2024

Numerator:

Net Income (Loss)

$ 49,810

$ 90,695

Denominator:

Denominator for basic earnings per share-weighted average common shares

26,720

26,672

Dilutive effect of share-based awards

122

Denominator for diluted earnings per share-adjusted weighted average common shares

26,788

26,794

Basic Earnings Per Share

$ 1.86

$ 3.4

Diluted Earnings Per Share

$ 1.86

$ 3.38

- Definition

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

+ References

+ Details

- 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