Note 9 - Incentive Plans - Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	4 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Outstanding balance (in shares)	0	9,983,727	9,705,495
Awards granted (in shares)	9,705,495	1,564,500	442,500
Awards granted, weighted average exercise price (in dollars per share)	$ 10.00	$ 25.09	$ 14.36
Outstanding, weighted average exercise price (in dollars per share)	$ 10.00	$ 12.20	$ 10.19	$ 10.00
Outstanding, remaining term (Year)		7 years 10 months 24 days	8 years 8 months 12 days	9 years 8 months 12 days
Outstanding, intrinsic value	$ 57,942	$ 128,429	$ 44,395	$ 57,942
Exercised (in shares)		(12,000)	(154,268)
Exercised, weighted average exercise price (in dollars per share)		$ 10.00	$ 10.00
Forfeitures (in shares)		(18,999)	(10,000)
Forfeitures, weighted average exercise price (in dollars per share)		$ 18.66	$ 10.00
Outstanding balance (in shares)	9,705,495	11,517,228	9,983,727	9,705,495
Vested (in shares)		11,304,747	8,551,077
Vested, weighted average exercise price (in dollars per share)		$ 12.02	$ 10.13
Vested, remaining term (Year)		7 years 10 months 24 days	8 years 8 months 12 days
Vested, intrinsic value		$ 127,591	$ 38,556
Exercisable (in shares)		11,304,747	8,551,077
Exercisable, weighted average exercise price (in dollars per share)		$ 12.02	$ 10.13
Exercisable, remaining term (Year)		7 years 10 months 24 days	8 years 8 months 12 days
Exercisable, intrinsic value		$ 127,591	$ 38,556