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, 2021	Dec. 31, 2020
Outstanding balance (in shares)	0	9,705,495
Awards granted (in shares)	9,705,495	442,500
Awards granted, weighted average exercise price (in dollars per share)	$ 10.00	$ 14.36
Outstanding, weighted average exercise price (in dollars per share)	$ 10.00	$ 10.19	$ 10.00
Outstanding, remaining term (Year)	9 years 8 months 12 days	8 years 8 months 12 days
Outstanding, intrinsic value	$ 57,942	$ 44,395	$ 57,942
Exercised (in shares)		(154,268)
Exercised, weighted average exercise price (in dollars per share)		$ 10.00
Forfeitures (in shares)		(10,000)
Forfeitures, weighted average exercise price (in dollars per share)		$ 10.00
Outstanding balance (in shares)	9,705,495	9,983,727	9,705,495
Vested (in shares)	7,204,163	8,551,077	7,204,163
Vested, weighted average exercise price (in dollars per share)	$ 10.00	$ 10.13	$ 10.00
Vested, remaining term (Year)		8 years 8 months 12 days	9 years 8 months 12 days
Vested, intrinsic value	$ 43,009	$ 38,556	$ 43,009
Exercisable (in shares)	7,204,163	8,551,077	7,204,163
Exercisable, weighted average exercise price (in dollars per share)	$ 10.00	$ 10.13	$ 10.00
Exercisable, remaining term (Year)		8 years 8 months 12 days	9 years 8 months 12 days
Exercisable, intrinsic value	$ 43,009	$ 38,556	$ 43,009