Note 22 - Parent Company Financial Information - Condensed Statement of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 13,492	$ 12,628	$ 22,128
Net cash flows provided by operating activities	93,236	23,360	28,712
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales	0	963	0
Cash paid for business acquisition, net of cash received	2,144	(1,893)	(0)
Net cash flows provided by (used in) investing activities	61,394	(60,411)	(48,382)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase (decrease) in short-term borrowings	(110,395)	(30,059)	71,455
Proceeds from long-term debt	50,000	95,000	15,000
Principal payments on long-term debt	8,001	6,919	5,928
Proceeds from issuance of common stock	525	428	408
Cash dividends paid on common stock	12,219	9,938	9,191
Net cash flows used in financing activities	(158,609)	54,073	24,235
Net change in cash	(3,979)	17,022	4,565
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	39,723	22,701	18,136
CASH AND CASH EQUIVALENTS AT END OF YEAR	35,744	39,723	22,701
Parent Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	13,492	12,628	22,128
Increase (decrease) in undistributed income of subsidiaries	6,253	13,961	(6,966)
Other, net	1,011	292	636
Net cash flows provided by operating activities	20,756	26,881	15,798
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales	0	963	0
Cash paid for business acquisition, net of cash received	(9,382)	(9,208)	0
Net cash flows provided by (used in) investing activities	(9,382)	(8,245)	0
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase (decrease) in short-term borrowings	0	(3,000)	3,000
Proceeds from long-term debt	0	0	15,000
Principal payments on long-term debt	(2,001)	(1,918)	(928)
Proceeds from issuance of common stock	525	428	409
Payments to repurchase common stock	12	(3,326)	(23,660)
Cash dividends paid on common stock	(12,219)	(9,938)	(9,191)
Other	0	0	0
Net cash flows used in financing activities	(13,683)	(17,754)	(15,370)
Net change in cash	(2,309)	882	428
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	2,418	1,536	1,108
CASH AND CASH EQUIVALENTS AT END OF YEAR	$ 109	$ 2,418	$ 1,536