Note 9 - Incentive Plans - Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Outstanding (in shares)	13,444,062		13,449,061
Outstanding, average exercise price (in dollars per share)	$ 11.95		$ 11.95
Outstanding, remaining term (Year)	5 years 1 month 6 days	5 years 3 months 18 days	6 years 3 months 18 days
Outstanding, intrinsic value	$ 29,544	$ 53,093	$ 47,672
Forfeitures (in shares)	(1,334)	(4,999)
Forfeitures, average exercise price (in dollars per share)	$ 19.98	$ 2,644
Outstanding (in shares)	13,442,728	13,444,062
Outstanding, average exercise price (in dollars per share)	$ 11.94	$ 11.95
Vested (in shares)	13,442,728	13,444,062
Vested, average exercise price (in dollars per share)	$ 11.94	$ 11.95
Vested, remaining term (Year)	5 years 1 month 6 days	5 years 3 months 18 days
Vested, intrinsic value	$ 29,544	$ 53,093
Exercisable (in shares)	11,493,728	11,495,062
Exercisable, average exercise price (in dollars per share)	$ 12.19	$ 12.19
Exercisable, remaining term (Year)	5 years 8 months 12 days	5 years 10 months 24 days
Exercisable, intrinsic value	$ 25,334	$ 44,907