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Equity - Activity for Class B Common Stock and Treasury Stock (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	20,409,299	15,355,480	17,745,777	14,664,467
Stock Award Activity (in shares)	(9,700)	(9,600)	(403,720)	(400,707)
Purchase of Treasury Stock (in shares)	1,547,182	1,559,200	4,604,724	2,641,320
Ending Balance (in shares)	21,946,781	16,905,080	21,946,781	16,905,080
Class B Shares
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	79,096,157	84,149,976	81,759,679	84,840,989
Stock Award Activity (in shares)	9,700	9,600	403,720	400,707
Purchase of Treasury Stock (in shares)	(1,547,182)	(1,559,200)	(4,604,724)	(2,641,320)
Ending Balance (in shares)	77,558,675	82,600,376	77,558,675	82,600,376
Purchase of Treasury Stock (in shares)			4,600,000

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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