Note 11 - Equity Incentive Plans and Equity - Share Based Compensation Performance Shares Award Outstanding (Details) - Performance Shares [Member] $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares
Balance (in shares) | shares	1,925
Balance, weighted average exercise price (in dollars per share) | $ / shares	$ 75.5
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | shares	65
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 65.88
Exercised (in shares) | shares	(47)
Exercised, weighted average exercise price (in dollars per share) | $ / shares	$ 67.95
Balance (in shares) | shares	1,943
Balance, weighted average exercise price (in dollars per share) | $ / shares	$ 75.36
Balance, average remaining contractual term (Year)	5 years 2 months 12 days
Balance, aggregate instrinsic value | $	$ 73,466
Exercisable (in shares) | shares	1,109
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 22.88
Exercisable, average remaining contractual term (Year)	3 years 3 months 18 days
Exercisable, aggregate instrinsic value | $	$ 72,115