Annual report pursuant to Section 13 and 15(d)

Note 13 - Employee and Director Benefits - Summary of Stock Option Activity (Details)

v3.22.4
Note 13 - Employee and Director Benefits - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Shares, exercisable (in shares) 220,500      
Weighted Average Exercise Price, exercisable (in dollars per share) $ 14.37      
Weighted Average Remaining Contractual Term, exercisable (Year) 2 years      
Aggregate Intrinsic Value, exercisable $ 12,279      
Share-Based Payment Arrangement, Option [Member]        
Outstanding, shares (in shares) 353,250 641,450 965,750  
Outstanding, weighted average exercise price (in dollars per share) $ 19.28 $ 18.15 $ 15.20  
Outstanding, weighted average remaining contractual term (Year) 3 years 3 years 9 months 18 days 4 years 7 months 6 days 4 years 10 months 24 days
Outstanding, aggregate intrinsic value $ 14,088 $ 23,525 $ 16,985 $ 21,914
Exercised, shares (in shares) (70,500) (278,200) (306,300)  
Exercised, weighted average exercise price (in dollars per share) $ 17.96 $ 12.58 $ 11.38  
Exercised, weighted average remaining contractual term (Year) 2 years 2 months 12 days 2 years 9 months 18 days 2 years 10 months 24 days  
Exercised, aggregate intrinsic value $ 3,592 $ 20,131 $ 8,854  
Forfeited, shares (in shares) (2,750) (10,000) (18,000)  
Forfeited, weighted average exercise price (in dollars per share) $ 37.94 $ 38.38 $ 30.79  
Forfeited, weighted average remaining contractual term (Year) 5 years 4 months 24 days 5 years 2 months 12 days 6 years 1 month 6 days  
Forfeited, aggregate intrinsic value $ 85 $ 466 $ 171  
Outstanding, shares (in shares) 280,000 353,250 641,450 965,750
Outstanding, weighted average exercise price (in dollars per share) $ 19.43 $ 19.28 $ 18.15 $ 15.20
Shares, exercisable (in shares) 220,500 264,000 182,200  
Weighted Average Exercise Price, exercisable (in dollars per share) $ 14.37 $ 12.89 $ 12.86  
Weighted Average Remaining Contractual Term, exercisable (Year) 2 years 2 years 9 months 18 days 3 years 6 months  
Aggregate Intrinsic Value, exercisable $ 12,279 $ 19,353 $ 4,998