Common Stock, Voting Rights, Votes

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Amount of stock repurchase plan authorized.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 210
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-Section S99
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Number of shares that have been repurchased during the period and are being held in treasury.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Stockholders' Equity and Earnings Per Share (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 vote shares	Dec. 31, 2021 shares	Nov. 10, 2021 USD ($)
2021 Stock Repurchase Program
Class of Stock [Line Items]
Authorized amount available for repurchase \| $			$ 20.0
Treasury stock, shares acquired (in shares)	0	0
Class A Common Stock
Class of Stock [Line Items]
Votes per share \| vote	1
Common stock, shares authorized (in shares)	25,000,000
Treasury stock (in shares)	2,434,769	2,600,661
Class B Common Stock
Class of Stock [Line Items]
Votes per share \| vote	10
Common stock, shares authorized (in shares)	6,756,176