Note 3 - Loans - Acquired Loans in Business Combinations (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Loans	$ 1,487,398	$ 1,449,745	$ 1,443,022
Loans, net of allowance for credit losses, 2026, $14,943; 2025, $14,719	1,472,455	1,435,026
Real Estate 1 [Member] \| Construction and Land Development [Member]
Loans	113,289	88,424	78,169
Real Estate 1 [Member] \| Secured by Multi-family Residential Properties [Member]
Loans	522,763	527,283	544,162
Real Estate 1 [Member] \| Other Real Estate Loans [Member]
Loans	720,120	696,978	680,063
Commercial and Industrial Loans [Member]
Loans	113,342	117,944	120,700
Consumer and Other Loans [Member]
Loans	17,884	19,116	$ 19,928
Financial Asset Acquired and No Credit Deterioration [Member]
Loans	429,719	480,625
Loans, net of allowance for credit losses, 2026, $14,943; 2025, $14,719	418,021	467,450
Financial Asset Acquired and No Credit Deterioration [Member] \| Real Estate 1 [Member] \| Construction and Land Development [Member]
Loans, net of allowance for credit losses, 2026, $14,943; 2025, $14,719	6,953	7,461
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, 2026, $14,943; 2025, $14,719	182,615	207,352
Financial Asset Acquired and No Credit Deterioration [Member] \| Real Estate 1 [Member] \| Other Real Estate Loans [Member]
Loans, net of allowance for credit losses, 2026, $14,943; 2025, $14,719	204,217	223,986
Financial Asset Acquired and No Credit Deterioration [Member] \| Commercial and Industrial Loans [Member]
Loans, net of allowance for credit losses, 2026, $14,943; 2025, $14,719	21,620	25,428
Financial Asset Acquired and No Credit Deterioration [Member] \| Consumer and Other Loans [Member]
Loans, net of allowance for credit losses, 2026, $14,943; 2025, $14,719	$ 2,616	$ 3,223