Earnings Per Share - Reconciliation of the Numerators and Denominators Used in the Basic and Diluted Per-Share Computations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Class A common stock
Income available to stockholders (Basic EPS)
Allocated net income (numerator)	$ 123,532	$ 85,535
Weighted shares (denominator) (in shares)	46,189,014	46,188,819
Per-share amount (in dollars per share)	$ 2.67	$ 1.85
Dilutive effect of stock-based awards
Allocated net income (numerator)	$ 0	$ 0
Weighted shares (denominator) (in shares)	11,989	7,002
Assumed conversion of Class B shares
Allocated net income (numerator)	$ 1,020	$ 706
Weighted shares (denominator) (in shares)	6,100,800	6,100,800
Income available to stockholders on equivalent shares (Diluted EPS)
Allocated net income (numerator)	$ 124,552	$ 86,241
Weighted shares (denominator) (in shares)	52,301,803	52,296,621
Per-share amount (in dollars per share)	$ 2.38	$ 1.65
Class B common stock
Income available to stockholders (Basic EPS)
Allocated net income (numerator)	$ 1,020	$ 706
Weighted shares (denominator) (in shares)	2,542	2,542
Per-share amount (in dollars per share)	$ 401	$ 278
Income available to stockholders on equivalent shares (Diluted EPS)
Allocated net income (numerator)	$ 1,020	$ 706
Weighted shares (denominator) (in shares)	2,542	2,542
Per-share amount (in dollars per share)	$ 401	$ 278