Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of earnings per share

	Three Months Ended September 30,
	2020			2019
	Class A		Class B	Class A	Class B
	(In thousands except per share amounts)
Numerator for Basic and Diluted Earnings Per Share:
Net earnings	$	10,825		19,989
Dividends - Class A shares	—			—
Dividends - Class B shares	—			—
Undistributed earnings	$	10,825		19,989
Allocation of net earnings:
Dividends	$	—	—	—	—
Allocation of undistributed earnings	10,519		306	19,424	565
Net earnings	$	10,519	306	19,424	565
Denominator:
Basic earnings per share - weighted-average shares	3,436		200	3,436	200
Effect of dilutive stock options	—		—	—	—
Diluted earnings per share - adjusted weighted-average shares for assumed conversions	3,436		200	3,436	200
Basic earnings per share	$	3.06	1.53	5.65	2.83
Diluted earnings per share	$	3.06	1.53	5.65	2.83

	Nine Months Ended September 30,
	2020			2019
	Class A		Class B	Class A	Class B
	(In thousands except per share amounts)
Numerator for Basic and Diluted Earnings Per Share:
Net earnings	$	57,176		93,883
Dividends - Class A shares	—			—
Dividends - Class B shares	—			—
Undistributed earnings	$	57,176		93,883
Allocation of net earnings:
Dividends	$	—	—	—	—
Allocation of undistributed earnings	55,560		1,616	91,228	2,655
Net earnings	$	55,560	1,616	91,228	2,655
Denominator:
Basic earnings per share - weighted-average shares	3,436		200	3,436	200
Effect of dilutive stock options	—		—	—	—
Diluted earnings per share - adjusted weighted-average shares for assumed conversions	3,436		200	3,436	200
Basic Earnings Per Share	$	16.17	8.08	26.55	13.28
Diluted Earnings Per Share	$	16.17	8.08	26.55	13.28