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, 2023	Dec. 31, 2022	Dec. 31, 2021
Unvested (in shares)		435	515
Outstanding, aggregate intrinsic value	[1]	$ 2,529	$ 12,784	$ 16,854
Unvested, grant date weighted average cost (in dollars per share)		$ 6.02	$ 5.08
Outstanding, weighted average remaining contractual life (Year)		4 years 8 months 12 days	5 years 1 month 6 days	5 years 1 month 6 days
Awarded (in shares)		29	34
Granted, aggregate intrinsic value	[1]	$ 0	$ 0
Fair value at grant date (in dollars per share)		$ 16.81	$ 12.07
Exercised (in shares)		0	(114)
Exercised, aggregate intrinsic value	[1]	$ 0	$ 5,258
Exercised weighted average fair value (in dollars per share)		$ 0	$ 3.63
Forfeited (in shares)		0	0
Unvested (in shares)		464	435	515
Unvested, grant date weighted average cost (in dollars per share)		$ 6.69	$ 6.02	$ 5.08
Vested and exercisable (in shares)		349
Vested and exercisable, aggregate intrinsic value	[1]	$ 3,743
Vested and exercisable, weighted average fair value (in dollars per share)		$ 5.36
Vested and exercisable, weighted average remaining contractual life (Year)		3 years 9 months 18 days
Unvested (in shares)		115
Unvested, aggregate intrinsic value	[1]	$ (1,214)
Unvested, weighted average fair value (in dollars per share)		$ 10.72
Unvested, weighted average remaining contractual life (Year)		3 years 6 months
Vested in the current year (in shares)		42
Vested in the current year, aggregate intrinsic value	[1]	$ (100)
Vested in the current year (in dollars per share)		$ 7.62
Minimum [Member]
Outstanding, exercise price (in dollars per share)		19.37	15.24
Granted, exercise price (in dollars per share)		60.76	47.17
Exercised, exercise price (in dollars per share)			15.24
Outstanding, exercise price (in dollars per share)		19.37	19.37	15.24
Vested and exercisable, exercise price (in dollars per share)		19.37
Unvested, exercise price (in dollars per share)		35.9
Vested in the current year, exercise price (in dollars per share)		35.9
Maximum [Member]
Outstanding, exercise price (in dollars per share)		74.92	50.71
Granted, exercise price (in dollars per share)		60.76	74.92
Exercised, exercise price (in dollars per share)			40
Outstanding, exercise price (in dollars per share)		74.92	74.92	50.71
Vested and exercisable, exercise price (in dollars per share)		54.91
Unvested, exercise price (in dollars per share)		74.92
Vested in the current year, exercise price (in dollars per share)		54.91
Weighted Average [Member]
Outstanding, exercise price (in dollars per share)		35.6	31.16
Granted, exercise price (in dollars per share)		60.76	55.45
Exercised, exercise price (in dollars per share)		0	21.55
Outstanding, exercise price (in dollars per share)		37.17	$ 35.6	$ 31.16
Vested and exercisable, exercise price (in dollars per share)		32.99
Unvested, exercise price (in dollars per share)		49.83
Vested in the current year, exercise price (in dollars per share)		$ 41.69

[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.