Note 13 - Share-based Compensation - Summary of Stock Options Outstanding (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) $ / shares shares
Beginning Options Outstanding, number of shares (in shares) | shares	11,904
Beginning Options Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 22.31
Exercised, number of shares (in shares) | shares	(941)
Exercised, weighted average exercise price (in dollars per share) | $ / shares	$ 18.60
Forfeited and Expired, number of shares (in shares) | shares	(109)
Forfeited and Expired, weighted average exercise price (in dollars per share) | $ / shares	$ 17.82
Ending Options Outstanding, number of shares (in shares) | shares	10,854
Ending Options Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 22.68
Options Outstanding, weighted average remaining contractual term (Year)	6 years 7 months 6 days
Options Outstanding, aggregate intrinsic value | $	$ 154,501
Options Expected to Vest, number of shares (in shares) | shares	10,802
Options Expected to Vest, weighted average exercise price (in dollars per share) | $ / shares	$ 22.69
Options Expected to Vest, weighted average remaining contractual term (Year)	6 years 7 months 6 days
Options Expected to Vest, aggregate intrinsic value | $	$ 153,600
Options Exercisable, number of shares (in shares) | shares	5,594
Options Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 21.68
Options Exercisable, weighted average remaining contractual term (Year)	5 years 6 months
Options Exercisable, aggregate intrinsic value | $	$ 85,179