v3.22.4
Note 10 - 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, 2022
Dec. 31, 2021
Dec. 31, 2020
Net income $ 437,672 $ 242,023 $ 164,375
Weighted-average outstanding shares - basic (in shares) 46,727 45,851 44,840
Effect of dilutive securities (in shares) 1,631 2,038 2,174
Weighted-average outstanding shares - diluted (in shares) 48,358 47,889 47,014
Earnings per share, basic (in dollars per share) $ 9.37 $ 5.28 $ 3.67
Earnings per share, diluted (in dollars per share) $ 9.05 $ 5.05 $ 3.50