Note 6 - INCOME TAXES - Reconciliation of the Expected Federal Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Federal and State Income Taxes
Computed "expected" tax expense	$ 5,859	$ 6,287
Tax exempt income, net	(3,775)	(3,216)
Bank-owned life insurance	(182)	(148)
State income taxes, net of federal benefit, current year	1,014	1,189
Tax Credits	(86)	(177)
Income from tax credit equity investments	(596)	(413)
Excess tax benefit on stock options exercised and restricted stock awards vested	(470)	(398)
Other	(592)	(342)
Federal and state income tax expense	$ 1,172	$ 2,782
Computed "expected" tax expense (in percentage)	21.00%	21.00%
Tax exempt income, net (in percentage)	(13.50%)	(10.70%)
Bank-owned life insurance (in percentage)	(0.70%)	(0.50%)
State income taxes, net of federal benefit, current year (in percentage)	3.60%	4.00%
Tax credits (in percentage)	(0.30%)	(0.60%)
Income from tax credit equity investments (in percentage)	(2.10%)	(1.40%)
Excess tax benefit on stock options exercised and restricted stock awards vested (in percentage)	(1.70%)	(1.30%)
Other (in percentage)	(2.10%)	(1.20%)
Federal and state income tax expense (in percentage)	4.20%	9.30%