Note 12 - Fair Value Measurements - Carrying and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Securities available for sale	$ 586,407	$ 608,062	[1]
Reported Value Measurement [Member]
Cash and cash equivalents	103,430	73,340
Securities available for sale	586,407	608,062
Restricted stock	9,319	12,651
Loans held for sale	650	1,061
Loans, net of allowance	2,174,656	2,166,894
Derivatives - cash flow hedges	770	1,325
Bank owned life insurance	29,853	29,692
Accrued interest receivable	6,750	7,255
Deposits	2,612,250	2,596,328
Repurchase agreements	63,220	370
Other short-term borrowings	25,000	100,531
Accrued interest payable	1,286	799
Reported Value Measurement [Member] | Junior Subordinated Debt [Member]
Junior subordinated debt	28,359	28,334
Estimate of Fair Value Measurement [Member]
Cash and cash equivalents	103,430	73,340
Securities available for sale	586,407	608,062
Restricted stock	9,319	12,651
Loans held for sale	650	1,061
Loans, net of allowance	2,095,154	2,096,480
Derivatives - cash flow hedges	770	1,325
Bank owned life insurance	29,853	29,692
Accrued interest receivable	6,750	7,255
Deposits	2,610,215	2,595,713
Repurchase agreements	63,220	370
Other short-term borrowings	25,000	100,531
Accrued interest payable	1,286	799
Estimate of Fair Value Measurement [Member] | Junior Subordinated Debt [Member]
Junior subordinated debt	24,112	24,479
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents	103,430	73,340
Securities available for sale	0	0
Restricted stock	0	0
Loans held for sale	0	0
Loans, net of allowance	0	0
Derivatives - cash flow hedges	0	0
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Deposits	0	0
Repurchase agreements	0	0
Other short-term borrowings	25,000	0
Accrued interest payable	0	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	586,407	608,062
Restricted stock	9,319	12,651
Loans held for sale	650	1,061
Loans, net of allowance	0	0
Derivatives - cash flow hedges	770	1,325
Bank owned life insurance	29,853	29,692
Accrued interest receivable	6,750	7,255
Deposits	2,610,215	2,595,713
Repurchase agreements	63,220	370
Other short-term borrowings	0	100,531
Accrued interest payable	1,286	799
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	2,095,154	2,096,480
Derivatives - cash flow hedges	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
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Junior Subordinated Debt [Member]
Junior subordinated debt	$ 24,112	$ 24,479

[1] Derived from audited consolidated financial statements