Note 24 - Fair Value of Financial Instruments - Assets and Liabilities Measured On a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Securities available for sale	$ 879,571	$ 890,751
US Treasury Securities [Member]
Securities available for sale	16,239	30,115
US Government Agencies Debt Securities [Member]
Securities available for sale	9,410	47,372
Corporate Debt Securities [Member]
Securities available for sale	43,839	46,004
Collateralized Mortgage-Backed Securities [Member]
Securities available for sale	506,310	451,725
US States and Political Subdivisions Debt Securities [Member]
Securities available for sale	303,773	315,535
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale	20,847
Fair Value, Recurring [Member]
Loans Held for Sale	835	304
Total	880,406	891,055
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Loans Held for Sale	0	0
Total	0	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Loans Held for Sale	835	304
Total	851,591	837,287
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Loans Held for Sale	0	0
Total	28,815	53,768
Fair Value, Recurring [Member] | US Treasury Securities [Member]
Securities available for sale	16,239	30,115
Fair Value, Recurring [Member] | US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available for sale	0	0
Fair Value, Recurring [Member] | US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale	16,239	30,115
Fair Value, Recurring [Member] | US Treasury Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale	0	0
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Securities available for sale	9,410	47,372
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available for sale	0	0
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale	9,410	47,372
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale	0	0
Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Securities available for sale	43,839	46,004
Fair Value, Recurring [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available for sale	0	0
Fair Value, Recurring [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale	35,871	27,004
Fair Value, Recurring [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale	7,968	19,000
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member]
Securities available for sale	506,310	451,725
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available for sale	0	0
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale	506,310	451,725
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale	0	0
Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Securities available for sale	303,773	315,535
Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available for sale	0	0
Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale	282,926	280,767
Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale	$ 20,847	$ 34,768