Note 20 - Earnings Per Share - Reconciliation of Net Income and Shares Outstanding to Income and Number of Shares Used to Compute EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income as reported	$ 15,477	$ 13,380	$ 30,094	$ 25,836
Less: Earnings allocated to participating securities, income	$ (3)	$ (51)	$ (34)	$ (91)
Shares outstanding, shares (in shares)	18,881,829	19,349,802	18,881,829	19,349,802
Impact of weighting shares, shares (in shares)	184,792	11,111	339,326	104,087
Used in basic EPS, income	$ 15,474	$ 13,329	$ 30,060	$ 25,745
Used in basic EPS, shares (in shares)	19,066,621	19,360,913	19,221,155	19,453,889
Stock options, shares (in shares)	233,276	514,056	311,852
Restricted Stock Unit, shares (in shares)	24,356	0	27,468	0
Used in dilutive EPS, income	$ 15,474	$ 13,329	$ 30,060	$ 25,745
Used in dilutive EPS, shares (in shares)	19,324,253	19,874,969	19,560,476	19,844,077
Basic (in dollars per share)	$ 0.81	$ 0.69	$ 1.56	$ 1.32
Diluted (in dollars per share)	$ 0.80	$ 0.67	$ 1.54	$ 1.30