Note 11 - Net Income Per Share - Net Income Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net income	$ 1,786,700	$ 427,374	$ 437,672
Weighted-average outstanding shares—basic (in shares)	48,599	47,610	46,727
Effect of dilutive securities (in shares)	236	1,161	1,631
Weighted-average outstanding shares—diluted (in shares)	48,835	48,771	48,358
Earnings per share, basic (in dollars per share)	$ 36.76	$ 8.98	$ 9.37
Earnings per share, diluted (in dollars per share)	$ 36.59	$ 8.76	$ 9.05