Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2022

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: 

	Three months ended March 31,
	2022					2021
(dollars in thousands, except per share data)	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	$	68,057	46,188,761	$	1.47	$	72,964	46,188,860	$	1.58
Dilutive effect of stock-based awards	0		10,940	—		0		26,298	—
Assumed conversion of Class B shares	562		6,100,800	—		602		6,100,800	—
Class A – Diluted EPS:
Income available to Class A stockholders on Class A equivalent shares	$	68,619	52,300,501	$	1.31	$	73,566	52,315,958	$	1.41
Class B – Basic and diluted EPS:
Income available to Class B stockholders	$	562	2,542	$	221	$	602	2,542	$	237