Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2023

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

Net earnings for the periods shown below are allocated between Class A shares and Class B shares based upon (1) the proportionate number of shares issued and outstanding as of the end of the period, and (2) the per share dividend rights of the two classes under the Company's Restated Certificate of Incorporation (the Class B dividend per share is equal to one-half the Class A dividend per share).

	Three Months Ended June 30,
	2023			2022
	Class A		Class B	Class A	Class B
	(In thousands except per share amounts)
Numerator for Basic and Diluted Earnings Per Share:
Net earnings	$	29,634		96,527
Dividends - Class A shares	—			—
Dividends - Class B shares	—			—
Undistributed earnings	$	29,634		96,527
Allocation of net earnings:
Dividends	$	—	—	—	—
Allocation of undistributed earnings	28,796		838	93,797	2,730
Net earnings	$	28,796	838	93,797	2,730
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	$	8.38	4.19	27.30	13.65
Diluted earnings per share	$	8.38	4.19	27.30	13.65

	Six Months Ended June 30,
	2023			2022
	Class A		Class B	Class A	Class B
	(In thousands except per share amounts)
Numerator for Basic and Diluted Earnings Per Share:
Net earnings	$	41,938		194,089
Dividends - Class A shares	—			—
Dividends - Class B shares	—			—
Undistributed earnings	$	41,938		194,089
Allocation of net earnings:
Dividends	$	—	—	—	—
Allocation of undistributed earnings	40,752		1,186	188,600	5,489
Net earnings	$	40,752	1,186	188,600	5,489
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	$	11.86	5.93	54.89	27.44
Diluted earnings per share	$	11.86	5.93	54.89	27.44