Note 5 - INCOME TAXES - Reconciliation of the Expected Federal Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
INCOME TAXES
Computed "expected" tax expense	$ 6,802	$ 3,514	$ 13,090	$ 8,965
Tax exempt income, net	(3,182)	(2,476)	(6,398)	(4,698)
Bank-owned life insurance	(176)	(73)	(324)	(146)
State income taxes, net of federal benefit, current year	1,239	982	2,428	2,273
Provision adjustment from accounting method change				1,181
Tax Credits	(32)	(289)	(209)	(531)
Income from tax credit equity investments	(478)	158	(891)	(143)
Acquisition costs		242		372
Excess tax benefit on stock options exercised and restricted stock awards vested	(46)	(40)	(444)	(474)
Other	160	526	503	612
Federal and state income tax expense	$ 3,967	$ 1,492	$ 6,749	$ 3,825
Computed "expected" tax expense (in percentage)	21.00%	21.00%	21.00%	21.00%
Tax exempt income, net (in percentage)	(9.80%)	(14.80%)	(10.30%)	(11.00%)
Bank-owned life insurance (in percentage)	(0.50%)	(0.40%)	(0.50%)	(0.30%)
State income taxes, net of federal benefit, current year (in percentage)	3.80%	5.90%	3.90%	5.30%
Provision adjustment from accounting method change (in percentage)				(2.80%)
Tax credits (in percentage)	(0.10%)	(1.70%)	(0.30%)	(1.20%)
Income from tax credit equity investments (in percentage)	(1.50%)	0.90%	(1.40%)	(0.30%)
Acquisition costs (in percentage)		1.40%		0.90%
Excess tax benefit on stock options exercised and restricted stock awards vested (in percentage)	(0.10%)	(0.20%)	(0.70%)	(1.10%)
Other (in percentage)	(0.60%)	(3.20%)	(0.90%)	(1.50%)
Federal and state income tax expense (in percentage)	12.20%	8.90%	10.80%	9.00%