Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Numerator
Net income	$ 240,677	$ 197,149
Denominator
Weighted average shares outstanding used to compute basic earnings per common share (in shares)	45,634,877	47,138,185
Effect of dilutive securities-Share-based awards (in shares)	149,358	178,312
Shares used to compute diluted earnings per common share (in shares)	45,784,235	47,316,497
Basic earnings per common share (in US dollars per share)	$ 5.27	$ 4.18
Diluted earnings per common share (in US dollars per share)	$ 5.26	$ 4.17
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive share-based awards excluded from calculation of diluted earnings per share (in shares)	21,080	1,095

Denominator Earnings Per Share [Abstract]

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Numerator Earnings Per Share [Abstract]

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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

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