Note 19 - Stock-based Compensation - SARs Activity (Details) - Stock Appreciation Rights (SARs) [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		9 Months Ended	12 Months Ended
		Sep. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Unvested (in shares)		440	440	435
Outstanding, aggregate intrinsic value	[1]	$ 8,028	$ 6,297	$ 12,784
Outstanding, weighted average fair value (in dollars per share)		$ 6.86	$ 6.86	$ 6.02
Outstanding, weighted average remaining contractual life (Year) (Year)		5 years 1 month 6 days	4 years 8 months 12 days	5 years 1 month 6 days
Granted (in shares)		42	29
Granted, aggregate intrinsic value	[1]	$ 0	$ 0
Fair value at grant date (in dollars per share)		$ 13.75	$ 16.81
Exercised (in shares)		(80)	(24)
Exercised, aggregate intrinsic value	[1]	$ 3,027	$ 681
Exercised weighted average fair value (in dollars per share)		$ 3.75	$ 3.58
Forfeited (in shares)		0	0
Exercised (in shares)		(80)	(24)
Unvested (in shares)		402	440	440
Outstanding, weighted average fair value (in dollars per share)		$ 8.2	$ 6.86	$ 6.86
Vested and exercisable (in shares)		302
Vested and exercisable, aggregate intrinsic value	[1]	$ 7,011
Vested and exercisable, weighted average fair value (in dollars per share)		$ 6.59
Vested and exercisable, weighted average remaining contractual life (Year)		4 years 1 month 6 days
Unvested (in shares)		100
Unvested, aggregate intrinsic value	[1]	$ 1,017
Unvested, weighted average fair value (in dollars per share)		$ 13.01
Unvested, weighted average remaining contractual life (Year)		3 years 6 months
Vested in the current year (in shares)		46
Vested in the current year, aggregate intrinsic value	[1]	$ 696
Vested in the current year (in dollars per share)		$ 9.62
Minimum [Member]
Outstanding, exercise price (in dollars per share)		19.44	19.44	19.37
Granted, exercise price (in dollars per share)		47.95	60.76
Exercised, exercise price (in dollars per share)		45.76	19.37
Outstanding, exercise price (in dollars per share)		22.96	19.44	19.44
Vested and exercisable, exercise price (in dollars per share)		22.96
Unvested, exercise price (in dollars per share)		37.3
Vested in the current year, exercise price (in dollars per share)		36.65
Maximum [Member]
Outstanding, exercise price (in dollars per share)		74.92	74.92	74.92
Granted, exercise price (in dollars per share)		54.92	60.76
Exercised, exercise price (in dollars per share)		64.71	19.37
Outstanding, exercise price (in dollars per share)		74.92	74.92	74.92
Vested and exercisable, exercise price (in dollars per share)		60.76
Unvested, exercise price (in dollars per share)		74.92
Vested in the current year, exercise price (in dollars per share)		60.76
Weighted Average [Member]
Outstanding, exercise price (in dollars per share)		38.11	38.11	35.6
Granted, exercise price (in dollars per share)		49.2	60.76
Exercised, exercise price (in dollars per share)		24.21	19.37
Outstanding, exercise price (in dollars per share)		42.05	$ 38.11	$ 38.11
Vested and exercisable, exercise price (in dollars per share)		38.75
Unvested, exercise price (in dollars per share)		51.96
Vested in the current year, exercise price (in dollars per share)		$ 46.89

[1] (1) – Aggregate intrinsic value for SARs is defined as the amount by which the current market price of the underlying stock exceeds the exercise or grant price.