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Note P - Share-based Compensation - Restricted Stock Unit/Awards Activity (Details) - Restricted Stock Units (RSUs) [Member] $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Outstanding, number of shares (in shares) | shares	1,325
Outstanding, weighted average fair value (in dollars per share)	$ 14.97
Outstanding, aggregate intrinsic value | $	$ 11,279
Granted, number of shares (in shares) | shares	1,733
Granted, weighted average fair value (in dollars per share)	$ 10.12
Granted, aggregate intrinsic value | $	$ 16,016
Released, number of shares (in shares) | shares	(775)
Released, weighted average share price on date of release (in dollars per share)	$ 8.28
Released, weighted average fair value (in dollars per share)	$ 15.21
Released, aggregate intrinsic value | $	$ 6,411
Cancelled/Forfeited, number of shares (in shares) | shares	(113)
Cancelled/Forfeited, weighted average fair value (in dollars per share)	$ 12.28
Cancelled/Forfeited, aggregate intrinsic value | $	$ 583
Outstanding, number of shares (in shares) | shares	2,170
Outstanding, weighted average fair value (in dollars per share)	$ 11.15
Outstanding, aggregate intrinsic value | $	$ 11,156
Vested and expected to vest, number of shares (in shares) | shares	2,170
Vested and expected to vest, weighted average fair value (in dollars per share)	$ 11.15
Vested and expected to vest, aggregate intrinsic value | $	$ 11,156

X

- Definition

Intrinsic value of cancelled award under share-based payment arrangement. Excludes share and unit options.

+ References

No definition available.

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Intrinsic value of exercised award under share-based payment arrangement. Excludes share and unit options.

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Intrinsic value of granted award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Per share or unit weighted-average fair value of vested and expected to vest award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The weighted average share price of non-option equity instrument on date of release under share based payment arrangement.

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Number of equity instruments other than options vested and expected to vest.

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(3)
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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Number of non-option equity instruments exercised by participants.

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Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

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- Definition

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

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- Definition

Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

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