Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Schedule of earnings per share

	Three Months Ended June 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	$	48,413		33,696
Dividends - Class A shares	—			—
Dividends - Class B shares	—			—
Undistributed earnings	$	48,413		33,696
Allocation of net earnings:
Dividends	$	—	—	—	—
Allocation of undistributed earnings	47,044		1,369	32,743	953
Net earnings	$	47,044	1,369	32,743	953
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	$	13.69	6.85	9.53	4.76
Diluted earnings per share	$	13.69	6.85	9.53	4.76

	Six Months Ended June 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	$	46,351		73,894
Dividends - Class A shares	—			—
Dividends - Class B shares	—			—
Undistributed earnings	$	46,351		73,894
Allocation of net earnings:
Dividends	$	—	—	—	—
Allocation of undistributed earnings	45,040		1,311	71,804	2,090
Net earnings	$	45,040	1,311	71,804	2,090
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	$	13.11	6.55	20.90	10.45
Diluted Earnings Per Share	$	13.11	6.55	20.90	10.45