Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2024

Earnings Per Share [Abstract]

Schedule of Reconciliation of the Numerators and Denominators Used in the Basic and Diluted Per-share Computations

A reconciliation of the numerators and denominators used in the basic and diluted per-share computations is presented as follows for each class of common stock:

(dollars in thousands, except per share data)						For the years ended December 31,
	2024					2023					2022
	Allocated net income (numerator)		Weighted shares (denominator)	Per- share amount		Allocated net income (numerator)		Weighted shares (denominator)	Per- share amount		Allocated net income (numerator)		Weighted shares (denominator)	Per- share amount
Class A – Basic EPS:
Income available to  Class A stockholders	$	595,399	46,189,044	$	12.89	$	442,409	46,188,981	$	9.58	$	296,125	46,188,916	$	6.41
Dilutive effect of stock-based awards	0		16,422	—		0		9,630	—		0		8,274	—
Assumed conversion of Class B shares	4,915		6,100,800	—		3,652		6,100,800	—		2,444		6,100,800	—
Class A – Diluted EPS:
Income available to Class A stockholders on Class A equivalent shares	$	600,314	52,306,266	$	11.48	$	446,061	52,299,411	$	8.53	$	298,569	52,297,990	$	5.71
Class B – Basic EPS:
Income available to Class B stockholders	$	4,915	2,542	$	1,934	$	3,652	2,542	$	1,437	$	2,444	2,542	$	962
Class B – Diluted EPS:
Income available to Class B stockholders	$	4,914	2,542	$	1,933	$	3,652	2,542	$	1,437	$	2,444	2,542	$	962