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Note 3 - Loans - Acquired Loans in Business Combinations (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Loans	$ 1,449,950	$ 1,466,595	$ 972,974
Loans, net of allowance for credit losses, 2025, $14,735; 2024, $16,400	1,435,215	1,450,195
Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	81,596	84,480	53,364
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	549,502	547,167	347,014
Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	665,682	672,162	445,085
Commercial and Industrial Loans [Member]
Loans	132,396	141,333	113,562
Consumer and Other Loans [Member]
Loans	20,774	21,453	$ 13,949
Financial Asset Acquired and No Credit Deterioration [Member]
Loans	573,562	603,046
Loans, net of allowance for credit losses, 2025, $14,735; 2024, $16,400	559,093	588,772
Financial Asset Acquired and No Credit Deterioration [Member] | Real Estate 1 [Member] | Construction and Land Development [Member]
Loans, net of allowance for credit losses, 2025, $14,735; 2024, $16,400	12,586	15,810
Financial Asset Acquired and No Credit Deterioration [Member] | Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans, net of allowance for credit losses, 2025, $14,735; 2024, $16,400	225,815	234,004
Financial Asset Acquired and No Credit Deterioration [Member] | Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans, net of allowance for credit losses, 2025, $14,735; 2024, $16,400	280,103	291,805
Financial Asset Acquired and No Credit Deterioration [Member] | Commercial and Industrial Loans [Member]
Loans, net of allowance for credit losses, 2025, $14,735; 2024, $16,400	34,811	40,885
Financial Asset Acquired and No Credit Deterioration [Member] | Consumer and Other Loans [Member]
Loans, net of allowance for credit losses, 2025, $14,735; 2024, $16,400	$ 5,778	$ 6,268

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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