Note 16 - Parent Company Only Financial Statements - Condensed Statement of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Net income	$ 15,418	$ 10,340
Amortization of premiums and accretion of discounts on investments, net	1,753	1,551
Amortization of debt issuance costs	57	0
Gain on sale of securities available for sale	(2,410)	(3,147)
Share-based compensation	2,294	1,295
Net cash from operating activities	15,155	13,256
Proceeds from maturities, calls, and principal repayments of securities available for sale	59,663	57,166
Proceeds from sales of securities available for sale	109,829	210,264
Investment in equity securities	(584)	(1,416)
Net cash from investing activities	(136,864)	(315,954)
Proceeds from Issuance of Subordinated Long-term Debt	39,223	0
Repurchase of common stock	(5,979)	(7,413)
Payment of dividends	(2,533)	(2,185)
Net cash from financing activities	182,570	319,114
Net increase in cash	60,861	16,416
CASH AND CASH EQUIVALENTS, beginning of period	65,155	48,739
CASH AND CASH EQUIVALENTS, end of period	126,016	65,155
Income taxes	4,270	2,900
Interest on deposits and borrowings	4,550	8,043
Parent Company [Member]
Net income	16,418	12,340
Equity in undistributed earnings of subsidiary	(16,804)	(10,615)
Amortization of premiums and accretion of discounts on investments, net	0	50
Amortization of debt issuance costs	57	0
Gain on sale of securities available for sale	0	(250)
Share-based compensation	500	0
Change in payable to subsidiary	24	(105)
Change in other assets	(421)	(171)
Change in other liabilities	295	81
Net cash from operating activities	69	1,330
Proceeds from maturities, calls, and principal repayments of securities available for sale	0	2,065
Proceeds from sales of securities available for sale	0	9,872
Dividend paid to subsidiary	(20,000)	0
Loan originations, net of repayments	(5,000)	0
ESOP loan repayment	588	576
Investment in equity securities	(584)	(1,401)
Net cash from investing activities	(24,996)	11,112
Proceeds from Issuance of Subordinated Long-term Debt	39,223	0
Repurchase of common stock	(6,331)	(7,591)
Payment of dividends	(2,533)	(2,185)
Net cash from financing activities	30,359	(9,776)
Net increase in cash	5,432	2,666
CASH AND CASH EQUIVALENTS, beginning of period	8,655	5,989
CASH AND CASH EQUIVALENTS, end of period	14,087	8,655
Income taxes	(987)	360
Interest on deposits and borrowings	$ 771	$ 0