Note 19 - Fair Value Measurements - Carrying and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Securities available for sale	$ 521,519	$ 608,062
Reported Value Measurement [Member]
Cash and cash equivalents	66,719	73,340
Securities available for sale	521,519	608,062
Restricted stock	10,614	12,651
Loans held for sale	1,279	1,061
Loans, net of allowance	2,263,047	2,166,894
Bank owned life insurance	30,409	29,692
Accrued interest receivable	8,161	7,255
Deposits	2,606,513	2,596,328
Repurchase agreements	59,348	370
Other short-term borrowings	35,000	100,531
Accrued interest payable	2,386	799
Derivative - cash flow hedges		1,325
Reported Value Measurement [Member] | Junior Subordinated Debt [Member]
Junior subordinated debt	28,435	28,334
Estimate of Fair Value Measurement [Member]
Cash and cash equivalents	66,719	73,340
Securities available for sale	521,519	608,062
Restricted stock	10,614	12,651
Loans held for sale	1,279	1,061
Loans, net of allowance	2,161,793	2,096,480
Bank owned life insurance	30,409	29,692
Accrued interest receivable	8,161	7,255
Deposits	2,602,453	2,595,713
Repurchase agreements	59,348	370
Other short-term borrowings	35,000	100,531
Accrued interest payable	2,386	799
Derivative - cash flow hedges		1,325
Estimate of Fair Value Measurement [Member] | Junior Subordinated Debt [Member]
Junior subordinated debt	22,985	24,479
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents	66,719	73,340
Securities available for sale	0	0
Restricted stock	0	0
Loans held for sale	0	0
Loans, net of allowance	0	0
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Deposits	0	0
Repurchase agreements	0	0
Other short-term borrowings	0	0
Accrued interest payable	0	0
Derivative - cash flow hedges		0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Junior Subordinated Debt [Member]
Junior subordinated debt	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Cash and cash equivalents	0	0
Securities available for sale	521,519	608,062
Restricted stock	10,614	12,651
Loans held for sale	1,279	1,061
Loans, net of allowance	0	0
Bank owned life insurance	30,409	29,692
Accrued interest receivable	8,161	7,255
Deposits	2,602,453	2,595,713
Repurchase agreements	59,348	370
Other short-term borrowings	35,000	100,531
Accrued interest payable	2,386	799
Derivative - cash flow hedges		1,325
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Junior Subordinated Debt [Member]
Junior subordinated debt	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Cash and cash equivalents	0	0
Securities available for sale	0	0
Restricted stock	0	0
Loans held for sale	0	0
Loans, net of allowance	2,161,793	2,096,480
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Deposits	0	0
Repurchase agreements	0	0
Other short-term borrowings	0	0
Accrued interest payable	0	0
Derivative - cash flow hedges		0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Junior Subordinated Debt [Member]
Junior subordinated debt	$ 22,985	$ 24,479