Note 20 - Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net income	$ 53,216	$ 45,738	$ 31,326
Less preferred stock dividends	(900)	(589)	0
Basic EPS, Income (Numerator)	$ 52,316	$ 45,149	$ 31,326
Basic EPS, Common shares (denominator) (in shares)	12,760,649	12,943,883	12,935,430
Basic earnings per common share (in dollars per share)	$ 4.10	$ 3.49	$ 2.42
Stock options, Common shares (denominator) (in shares)	0	44	4,320
Diluted EPS, Income (Numerator)	$ 52,316	$ 45,149	$ 31,326
Diluted EPS (in shares)	12,821,533	13,003,428	12,975,385
Diluted earnings per common share (in dollars per share)	$ 4.08	$ 3.47	$ 2.41
Stock Appreciation Rights [Member]
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements (in shares)	56,616	53,964	34,785
Restricted Stock Units [Member]
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements (in shares)	4,268	5,537	850