Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Reconciliation of Numerators and Denominators Used in Basic and Diluted Per Share Computations

The table below presents for the periods indicated a reconciliation of the numerators and denominators we used to compute basic and diluted net income per share for our Class A common stock and our Class B common stock:

	Three Months Ended March 31,
	2022				2021
	Class A		Class B		Class A		Class B
	(in thousands, except per share data)
Basic earnings per share:
Numerator:
Allocation of net income	$	10,986	$	2,159	$	8,742	$	1,788
Denominator:
Weighted-average shares outstanding		25,787		5,577		24,768		5,577
Basic earnings per share	$	0.43	$	0.39	$	0.35	$	0.32
Diluted earnings per share:
Numerator:
Allocation of net income	$	10,986	$	2,159	$	8,742	$	1,788
Denominator:
Number of shares used in basic computation		25,787		5,577		24,768		5,577
Weighted-average shares effect of dilutive  securities:
Director and employee stock options		22		—		128		—
Number of shares used in diluted computation		25,809		5,577		24,896		5,577
Diluted earnings per share	$	0.43	$	0.39	$	0.35	$	0.32

Antidilutive Securities Excluded From Computation of Earnings Per Share

We did not include outstanding options to purchase the following number of shares of Class A common stock in our computation of diluted earnings per share because the exercise price of the options exceeded the average market price of our Class A common stock during the applicable periods.

	Three Months Ended March 31,
	2022		2021
Number of options to purchase Class A shares excluded		5,434,934		6,051,359