Note 6 - Equity - Stock-Based Awards (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
EQUITY
Compensation costs	$ 3.4	$ 4.7
Class B Common Stock
EQUITY
Granted (in shares)	0

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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+ Details