Amount of cost not yet recognized for nonvested award under share-based payment arrangement net of tax.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Topic 718
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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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Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

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No definition available.

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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Note 10 - Stock-based Compensation and Incentive Plans (Details Textual) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022
Restricted Stock Units (RSUs) [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 14.4	$ 3.3		$ 10.0
Employee Service Sharebased Compensation Nonvested Awards Compensation Cost Not Yet Recognized Net Of Tax	$ 11.4	$ 2.6		$ 7.9
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years
Time-Based Restricted Stock Units [Member] \| During Fiscal 2023 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number (in shares)	356,000
A2017 Incentive Plan [Member] \| Plan Of Reorganization [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	3 years
A2017 Incentive Plan [Member] \| Plan Of Reorganization [Member] \| Restricted Stock Units (RSUs) [Member] \| Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	1 year
Stock Option Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)		603,756	603,756
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)	517,370
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)	$ 11.46
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)	6 years 9 months 18 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)		603,756	603,756
Stock Option Plan [Member] \| Share-Based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	3 years
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 0.1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	3 months 18 days
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)	10 years
Stock Option Plan [Member] \| Share-Based Payment Arrangement, Option [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price (in dollars per share)	$ 3.23
Stock Option Plan [Member] \| Share-Based Payment Arrangement, Option [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price (in dollars per share)	$ 3.69