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Note 3 - Loans - Acquired Loans in Business Combinations (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Loans	$ 952,499	$ 920,523	$ 906,514
Loans, net of allowance for credit losses, 2023, $8,896; 2022, $7,446	943,603	913,077
Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	50,405	51,840	51,352
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	340,773	331,421	317,414
Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	433,177	418,456	417,504
Commercial and Industrial Loans [Member]
Loans	117,130	111,225	112,145
Consumer and Other Loans [Member]
Loans	11,014	7,581	$ 8,099
Financial Asset Acquired with Credit Deterioration [Member]
Loans	166,349	187,017
Loans, net of allowance for credit losses, 2023, $8,896; 2022, $7,446	164,321	184,480
Financial Asset Acquired with Credit Deterioration [Member] | Real Estate 1 [Member] | Construction and Land Development [Member]
Loans, net of allowance for credit losses, 2023, $8,896; 2022, $7,446	8,450	9,823
Financial Asset Acquired with Credit Deterioration [Member] | Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans, net of allowance for credit losses, 2023, $8,896; 2022, $7,446	36,405	42,915
Financial Asset Acquired with Credit Deterioration [Member] | Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans, net of allowance for credit losses, 2023, $8,896; 2022, $7,446	95,313	103,521
Financial Asset Acquired with Credit Deterioration [Member] | Commercial and Industrial Loans [Member]
Loans, net of allowance for credit losses, 2023, $8,896; 2022, $7,446	20,681	24,661
Financial Asset Acquired with Credit Deterioration [Member] | Consumer and Other Loans [Member]
Loans, net of allowance for credit losses, 2023, $8,896; 2022, $7,446	$ 3,472	$ 3,560

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- Definition

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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