Note 8 - Fair Value - Schedule of Financial Assets and Liabilities at Fair Value Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Investment securities	$ 1,274,899	$ 1,266,553
Derivative asset	88	36
Forward sales contracts	68	0
Interest Rate Swap [Member]
Derivative asset	1,800	3,800
Forward sales contracts	1,800	3,800
Interest Rate Contract [Member]
Derivative asset	87	19
Mortgage banking Derivative [Member]
Derivative asset	1	0
Fair Value, Recurring [Member]
Investment securities	1,274,899	1,266,553
Equity securities	336	277
Loans held for sale	2,174	5,005
Fair Value, Recurring [Member] \| Fair Value Hedging [Member]
Forward sales contracts	571	168
Fair Value, Recurring [Member] \| Interest Rate Swap [Member]
Derivative asset	1,783	3,766
Forward sales contracts	1,783	3,766
Fair Value, Recurring [Member] \| Interest Rate Contract [Member]
Derivative asset	87	19
Fair Value, Recurring [Member] \| Mortgage banking Derivative [Member]
Derivative asset		17
Forward sales contracts	68
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Investment securities	0	0
Equity securities	336	277
Loans held for sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Fair Value Hedging [Member]
Forward sales contracts	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Interest Rate Swap [Member]
Derivative asset	0	0
Forward sales contracts	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Interest Rate Contract [Member]
Derivative asset	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Mortgage banking Derivative [Member]
Derivative asset		0
Forward sales contracts	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Investment securities	1,273,480	1,265,144
Equity securities	0	0
Loans held for sale	2,174	5,005
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Fair Value Hedging [Member]
Forward sales contracts	571	168
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Derivative asset	1,783	3,766
Forward sales contracts	1,783	3,766
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Contract [Member]
Derivative asset	87	19
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Mortgage banking Derivative [Member]
Derivative asset		17
Forward sales contracts	68
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Investment securities	1,419	1,409
Equity securities	0	0
Loans held for sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value Hedging [Member]
Forward sales contracts	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Interest Rate Swap [Member]
Derivative asset	0	0
Forward sales contracts	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Interest Rate Contract [Member]
Derivative asset	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Mortgage banking Derivative [Member]
Derivative asset		0
Forward sales contracts	0
US Treasury and Government [Member]
Investment securities	109,237	115,107
US Treasury and Government [Member] \| Fair Value, Recurring [Member]
Investment securities	109,237	115,107
US Treasury and Government [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Investment securities	0	0
US Treasury and Government [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Investment securities	109,237	115,107
US Treasury and Government [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Investment securities	0	0
US States and Political Subdivisions Debt Securities [Member]
Investment securities	486,000	504,880
US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Recurring [Member]
Investment securities	486,000	504,880
US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Investment securities	0	0
US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Investment securities	486,000	504,880
US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Investment securities	0	0
Corporate Debt Securities [Member]
Investment securities	17,275	17,448
Corporate Debt Securities [Member] \| Fair Value, Recurring [Member]
Investment securities	17,275	17,448
Corporate Debt Securities [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Investment securities	0	0
Corporate Debt Securities [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Investment securities	15,856	16,039
Corporate Debt Securities [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Investment securities	1,419	1,409
Collateralized Mortgage-Backed Securities [Member]
Investment securities	508,945	492,867
Collateralized Mortgage-Backed Securities [Member] \| Fair Value, Recurring [Member]
Investment securities	508,945	492,867
Collateralized Mortgage-Backed Securities [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Investment securities	0	0
Collateralized Mortgage-Backed Securities [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Investment securities	508,945	492,867
Collateralized Mortgage-Backed Securities [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Investment securities	0	0
Collateralized Mortgage Obligations [Member]
Investment securities	151,169	133,776
Collateralized Mortgage Obligations [Member] \| Fair Value, Recurring [Member]
Investment securities	151,169	133,776
Collateralized Mortgage Obligations [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Investment securities	0	0
Collateralized Mortgage Obligations [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Investment securities	151,169	133,776
Collateralized Mortgage Obligations [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Investment securities	0	0
Small Business Administration [Member]
Investment securities	2,273	2,475
Small Business Administration [Member] \| Fair Value, Recurring [Member]
Investment securities	2,273	2,475
Small Business Administration [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Investment securities	0	0
Small Business Administration [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Investment securities	2,273	2,475
Small Business Administration [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Investment securities	$ 0	$ 0

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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