Note 9 - Stock-based Compensation and Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Schedule Of Common Stock Shares Reserved For Issuance And Shares Available For Grant [Table Text Block]

	Year Ended December 31,
	2025		2024		2023
Shares of common stock available for future grants		947,096		1,353,989		1,521,436

Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

	Weighted-average		Time			Weight-average
	Grant-Date		Based			Grant Date		Performance
	Fair Value		Units			Fair Value		Based Units
Non-vested balance at December 31, 2022	$	12.33		866,320		$	12.72		126,724
Granted		40.45		247,874			39.91		61,856
Vested		13.08		(393,374	)		—		—
Cancelled/forfeited		21.12		(11,827	)		—		—
Non-vested balance at December 31, 2023	$	21.58		708,993		$	21.64		188,580
Granted		85.48		132,883			90.87		43,685
Vested		21.52		(361,644	)		—		—
Cancelled/forfeited		38.04		(9,664	)		—		—
Non-vested balance at December 31, 2024	$	39.34		470,568		$	34.66		232,265
Granted		41.38		217,915			36.25		232,680
Vested		39.16		(260,269	)		28.41		(253,450	)
Cancelled/forfeited		55.01		(23,898	)		74.67		(23,293	)
Non-vested balance at December 31, 2025	$	39.63		404,316		$	40.09		188,202

(In Thousands)	Year Ended December 31,
	2025		2024		2023
Grant date fair value of restricted stock units and awards vested	$	10,192	$	7,783	$	5,407
Restricted stock unit and awards compensation expense		14,484		13,681		10,755