Note 10 - Stock-based Compensation and Incentive Plans - Share based Compensation Restricted Stock and Restricted Stock Units Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Grant date fair value of restricted stock units vested	$ 7,783	$ 5,407	$ 3,561
Restricted Stock Units (RSUs) [Member]
Restricted stock unit compensation expense	$ 13,681	$ 10,755	$ 6,469
Restricted Stock Units (RSUs) [Member] | Time Based Shares [Member]
Balance (in dollars per share)	$ 21.58	$ 12.33	$ 10.37
Balance (in shares)	708,993	866,320	776,113
Granted (in dollars per share)	$ 85.48	$ 40.45	$ 14.46
Granted (in shares)	132,883	247,874	448,433
Vested (in dollars per share)	$ 21.52	$ 13.08	$ 10.62
Vested (in shares)	(361,644)	(393,374)	(355,226)
Cancelled/forfeited (in dollars per share)	$ 38.04	$ 21.12	$ 12.72
Cancelled/forfeited (in shares)	(9,664)	(11,827)	(3,000)
Balance (in dollars per share)	$ 39.34	$ 21.58	$ 12.33
Balance (in shares)	470,568	708,993	866,320
Restricted Stock Units (RSUs) [Member] | Performance Based Shares [Member]
Balance (in dollars per share)	$ 21.64	$ 12.72	$ 24.5
Balance (in shares)	188,580	126,724	30,449
Granted (in dollars per share)	$ 90.87	$ 39.91	$ 12.72
Granted (in shares)	43,685	61,856	126,724
Vested (in dollars per share)	$ 0	$ 0	$ 24.5
Vested (in shares)	0	0	(15,225)
Cancelled/forfeited (in dollars per share)	$ 0	$ 0	$ 24.5
Cancelled/forfeited (in shares)	0	0	(15,224)
Balance (in dollars per share)	$ 34.66	$ 21.64	$ 12.72
Balance (in shares)	232,265	188,580	126,724