Note 19 - Condensed Financial Information - Parent Company Only - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Equity in trust	$ (11)	$ (6)
Net (loss) gain on equity securities	34	(701)
Increase (decrease) in accrued interest payable	122	(59)
(Decrease) increase in other liabilities	(3,637)	3,536
Net cash provided by operating activities	19,970	24,158
Proceeds from the sale of equity securities	359	0
Purchase of equity securities	(3,188)	(1,195)
Net cash used in investing activities	(184,587)	(260,763)
Proceeds from issuance of common shares, net of discount	0	58
Repurchase of common shares	(3,636)	(2,397)
Cash dividends paid	(6,520)	(5,427)
Net cash provided by financing activities	107,513	179,814
Net decrease in cash and cash equivalents	(57,104)	(56,791)
Cash and cash equivalents at beginning of year	99,020	155,811
Cash and cash equivalents at end of year	41,916	99,020
Parent Company [Member]
Net income	20,445	21,371
Equity in undistributed income of subsidiary	(5,876)	(11,176)
Equity in trust	(11)	(6)
Net (loss) gain on equity securities	(92)	(728)
Increase in other assets	(25)	(548)
Increase (decrease) in accrued interest payable	22	0
(Decrease) increase in other liabilities	(122)	175
Net cash provided by operating activities	14,341	9,088
Proceeds from the sale of equity securities	359	0
Purchase of equity securities	(3,188)	(1,195)
Net cash used in investing activities	(2,829)	(1,195)
Proceeds from issuance of common shares, net of discount	0	58
Repurchase of common shares	(3,636)	(2,397)
Cash dividends paid	(6,520)	(5,427)
Net cash provided by financing activities	(10,156)	(7,766)
Net decrease in cash and cash equivalents	1,356	127
Cash and cash equivalents at beginning of year	11,423	11,296
Cash and cash equivalents at end of year	$ 12,779	$ 11,423