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Note 12 - Business Combinations - Acquisition of Conerstone Community Bancorp (Details Textual) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Jul. 01, 2025 USD ($) $ / shares shares	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Jul. 02, 2025 USD ($)	Dec. 31, 2024 USD ($)
Assets		$ 2,229,408		$ 2,229,408		$ 2,300,000	$ 1,623,326
Goodwill		24,215		24,215			$ 5,502
Financing Receivable, Credit Loss, Expense (Reversal)		$ 5,373	$ (400)	$ 6,483	$ 1,346
Cornerstone Community Bancorp [Member]
Financing Receivable, Credit Loss, Expense (Reversal)			$ 9,400
Cornerstone Community Bancorp [Member]
Business Acquisition, Acquiree Share Conversion Ratio	0.6608
Business Acquisition, Cash Paid to Prevent Fractional Shares (in dollars per share) | $ / shares	$ 9.75
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares (in shares) | shares	1,003,718
Payments to Acquire Businesses, Gross	$ 16,100
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Assumed in Period (in shares) | shares	30,803
Business Combination, Consideration Transferred	$ 61,316
Business Combination, Consideration Transferred Value, Number of Trading Days	20
Goodwill	$ 18,713
Business Combination, Acquisition-Related Cost, Expense	$ 1,900				$ 6,400
Cornerstone Community Bancorp [Member] | Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years
Cornerstone Community Bancorp [Member] | Cornerstone Common Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Assumed in Period (in shares) | shares	35,000

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