Note 16 - Stock Based Compensation - Summary of Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Outstanding Options, at Beginning of Period (in shares)	130,924	113,547	385,300
Outstanding Options, at Beginning of Period, weighted average exercise price (in dollars per share)	$ 18.59	$ 17.06	$ 14.67
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)	0	143,908	0
Granted, weighted average exercise price (in dollars per share)	$ 0	$ 22.01	$ 0
Exercised (in shares)	(7,500)	(67,060)	(261,753)
Exercised, weighted average exercise price (in dollars per share)	$ 17.11	$ 19.93	$ 13.62
Forfeited or Expired (in shares)	(2,816)	(59,471)	(10,000)
Forfeited or Expired, weighted average exercise price (in dollars per share)	$ 22.38	$ 22.45	$ 15
Outstanding Options, at End of Period (in shares)	120,608	130,924	113,547
Outstanding Options, at End of Period, weighted average exercise price (in dollars per share)	$ 18.59	$ 18.59	$ 17.06
Exercisable, at End of Period (in shares)	111,032	118,958	113,547
Exercisable, at End of Period, weighted average exercise price (in dollars per share)	$ 18.24	$ 18.18	$ 17.06