Note 12 - Condensed Financial Statements of Parent Company - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash Flows from Operating Activities
Net income	$ 15,691	$ 25,932
Adjustment to reconcile net income to net cash provided by operating activities:
Other assets	(1,721)	(24)
Net change in other liabilities	(2,754)	2,025
Net cash provided by operating activities	15,523	29,500
Cash dividends paid	(14,784)	(8,950)
Shares repurchased	0	(6,338)
Net cash (used in) provided by financing activities	(53,537)	32,850
Net change in cash and due from banks	15,174	(67,360)
Cash and due from banks at beginning of year	71,429	138,789
Cash and due from banks at end of year	86,603	71,429
Parent Company [Member]
Cash Flows from Operating Activities
Net income	15,691	25,932
Adjustment to reconcile net income to net cash provided by operating activities:
(Equity) deficit in undistributed net income of subsidiaries	5,102	(1,180)
Net change in refundable income taxes due from subsidiaries	70	576
Other assets	38	593
Net change in other liabilities	170	(390)
Net cash provided by operating activities	10,867	27,891
Cash dividends paid	(14,784)	(8,950)
Shares repurchased	0	(6,338)
Net cash (used in) provided by financing activities	(14,784)	(15,288)
Net change in cash and due from banks	(3,917)	12,603
Cash and due from banks at beginning of year	14,927	2,324
Cash and due from banks at end of year	$ 11,010	$ 14,927