Note 19 - Stock-based Compensation - SARs Activity (Details) - Stock Appreciation Rights (SARs) [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Unvested (in shares) (in shares)	440	435
Outstanding, aggregate intrinsic value	$ 5,563	$ 6,297	$ 12,784
Outstanding, weighted average fair value (in dollars per share) (in dollars per share)	$ 6.86	$ 6.02
Outstanding, weighted average remaining contractual life (Year)	4 years 8 months 12 days	4 years 8 months 12 days	5 years 1 month 6 days
Granted (in shares)	42	29
Granted, aggregate intrinsic value	$ 0	$ 0
Fair value at grant date (in dollars per share) (in dollars per share)	$ 13.75	$ 16.81
Exercised (in shares) (in shares)	(5)	(24)
Exercised, aggregate intrinsic value	$ 122	$ 681
Exercised weighted average fair value (in dollars per share) (in dollars per share)	$ 3.71	$ 3.58
Forfeited (in shares) (in shares)	0	0
Exercised (in shares)	(5)	(24)
Exercised weighted average fair value (in dollars per share)	$ 3.71	$ 3.58
Forfeited (in shares) (in shares)	0	(0)
Unvested (in shares) (in shares)	477	440	435
Outstanding, weighted average fair value (in dollars per share) (in dollars per share)	$ 7.49	$ 6.86	$ 6.02
Vested and exercisable (in shares) (in shares)	377
Vested and exercisable, aggregate intrinsic value	$ 5,398
Vested and exercisable, weighted average fair value (in dollars per share) (in dollars per share)	$ 6.02
Vested and exercisable, weighted average remaining contractual life (Year) (Year)	3 years 8 months 12 days
Unvested (in shares) (in shares)	100
Unvested, aggregate intrinsic value (in shares)	$ (229)
Unvested, weighted average fair value (in dollars per share) (in dollars per share)	$ 13
Unvested, weighted average remaining contractual life (Year) (Year)	3 years 8 months 12 days
Vested in the current year (in shares) (in shares)	46
Vested in the current year, aggregate intrinsic value	$ 127
Vested in the current year (in dollars per share) (in dollars per share)	$ 9.62
Minimum [Member]
Outstanding, exercise price (in dollars per share) (in dollars per share)	19.44	19.37
Granted, exercise price (in dollars per share) (in dollars per share)	47.95	60.76
Exercised, exercise price (in dollars per share) (in dollars per share)	45.76	19.37
Outstanding, exercise price (in dollars per share) (in dollars per share)	22.96	19.44	19.37
Vested and exercisable, exercise price (in dollars per share) (in dollars per share)	22.96
Unvested, exercise price (in dollars per share) (in dollars per share)	37.3
Vested in the current year, exercise price (in dollars per share) (in dollars per share)	36.65
Maximum [Member]
Outstanding, exercise price (in dollars per share) (in dollars per share)	74.92	74.92
Granted, exercise price (in dollars per share) (in dollars per share)	54.92	60.76
Exercised, exercise price (in dollars per share) (in dollars per share)	47.2	19.37
Outstanding, exercise price (in dollars per share) (in dollars per share)	74.92	74.92	74.92
Vested and exercisable, exercise price (in dollars per share) (in dollars per share)	60.76
Unvested, exercise price (in dollars per share) (in dollars per share)	74.92
Vested in the current year, exercise price (in dollars per share) (in dollars per share)	60.76
Weighted Average [Member]
Outstanding, exercise price (in dollars per share) (in dollars per share)	38.11	35.6
Granted, exercise price (in dollars per share) (in dollars per share)	49.2	60.76
Exercised, exercise price (in dollars per share) (in dollars per share)	21.06	19.37
Outstanding, exercise price (in dollars per share) (in dollars per share)	39.25	$ 38.11	$ 35.6
Vested and exercisable, exercise price (in dollars per share) (in dollars per share)	35.86
Unvested, exercise price (in dollars per share) (in dollars per share)	51.94
Vested in the current year, exercise price (in dollars per share) (in dollars per share)	$ 46.89