Note 9 - Incentive Plans - Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	4 Months Ended	6 Months Ended	9 Months Ended
	Dec. 31, 2020	Jun. 30, 2021	Sep. 30, 2021
Outstanding balance (in shares)	0	9,705,495	9,705,495
Awards granted (in shares)	9,705,495
Awards granted, weighted average exercise price (in dollars per share)	$ 10.00
Outstanding, remaining term (Year)	9 years 8 months 12 days		8 years 10 months 24 days
Outstanding, intrinsic value	$ 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		9,541,227
Outstanding, weighted average exercise price (in dollars per share)	$ 10.00		$ 10.00
Vested (in shares)	7,204,163		8,293,903
Vested, weighted average exercise price (in dollars per share)	$ 10.00		$ 10.00
Vested, remaining term (Year)	9 years 8 months 12 days	8 years 10 months 24 days
Vested, intrinsic value	$ 43,009
Exercisable (in shares)	7,204,163		8,293,903
Exercisable, weighted average exercise price (in dollars per share)	$ 10.00		$ 10.00
Exercisable, remaining term (Year)	9 years 8 months 12 days	8 years 10 months 24 days
Exercisable, intrinsic value	$ 43,009