Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

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

We present below a reconciliation of the numerators and denominators we used in the basic and diluted per share computations for our Class A common stock:

	Year Ended December 31,
(in thousands, except per share amounts)	2019		2018			2017
Basic earnings (loss) per share:
Numerator:
Allocation of net income (loss)	$	38,718	$	(26,691	)	$	5,879
Denominator:
Weighted-average shares outstanding		22,986		22,705			21,799
Basic earnings (loss) per share	$	1.68	$	(1.18	)	$	0.27
Diluted earnings (loss) per share:
Numerator:
Allocation of net income (loss)	$	38,718	$	(26,691	)	$	5,879
Denominator:
Number of shares used in basic computation		22,986		22,705			21,799
Weighted-average effect of dilutive securities
Add: Director and employee stock options		211		—			843
Number of shares used in per share computations		23,197		22,705			22,642
Diluted earnings (loss) per share	$	1.67	$	(1.18	)	$	0.26

We used the following information in the basic and diluted per share computations for our Class B common stock:

	Year Ended December 31,
(in thousands, except per share amounts)	2019		2018			2017
Basic and diluted earnings (loss) per share:
Numerator:
Allocation of net income (loss)	$	8,434	$	(6,069	)	$	1,237
Denominator:
Weighted-average shares outstanding		5,577		5,577			5,577
Basic and diluted earnings (loss) per share	$	1.51	$	(1.09	)	$	0.22