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Compensation and Benefits - Components of expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Salaries, incentive compensation and benefits	$ 129,098	$ 115,550
Restricted share-based award compensation expense	8,279	8,978
Long-term incentive compensation expense	20,782	15,962
Compensation and benefits	$ 149,880	131,512
Share-Based Compensation Arrangement By Share-Based Payment Award, Award Requisite Service Period, Retirement Acceleration	18 months
Deferred Bonus
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Long-term cash incentive compensation expense	$ 12,503	$ 6,984

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The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.

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Amount of expense for salary and wage arising from service rendered by nonofficer and officer employees. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.

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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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