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Equity - Activity for Class B Common Stock and Treasury Stock (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	15,355,480	9,986,317	14,664,467	10,229,521
Stock Award Activity (in shares)	(9,600)	(7,200)	(400,707)	(382,996)
Purchase of Treasury Stock (in shares)	1,559,200	1,236,199	2,641,320	1,368,791
Ending Balance (in shares)	16,905,080	11,215,316	16,905,080	11,215,316
Class B Shares
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	84,149,976	89,519,139	84,840,989	89,275,935
Stock Award Activity (in shares)	9,600	7,200	400,707	382,996
Purchase of Treasury Stock (in shares)	(1,559,200)	(1,236,199)	(2,641,320)	(1,368,791)
Ending Balance (in shares)	82,600,376	88,290,140	82,600,376	88,290,140
Purchase of Treasury Stock (in shares)			2,600,000

X

- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The increase (decrease) during the period in the number of shares issued.

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Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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