Note 9 - Stock Compensation (Details Textual) - USD ($) shares in Millions, $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Share-Based Payment Arrangement, Expense	$ 13.0	$ 6.0
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 41.0
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	1 year 8 months 12 days
Performance Share Units [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	3 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	4.23%
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate	49.10%
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Share-Based Liabilities Paid	$ 0.4
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares)	0.2
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Share-Based Liabilities Paid	$ 2.2
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares)	1.0

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Topic 718
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-Section S45
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Amount of cash paid to settle liability for award under share-based payment arrangement.

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Number of shares issued under share-based payment arrangement.

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