Note 9 - Fair Value Measurements - Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Reported Value Measurement [Member]
Loans, net	$ 1,479,755	$ 1,495,834
Time deposits	236,875	210,729
Repurchase agreements	62,191	97,855
Borrowings	16,045	21,013
Estimate of Fair Value Measurement [Member]
Loans, net	1,395,655	1,494,830
Time deposits	230,333	209,147
Repurchase agreements	62,191	97,855
Borrowings	15,867	20,599
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Loans, net	0	0
Time deposits	0	0
Repurchase agreements	0	0
Borrowings	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Loans, net	0	0
Time deposits	230,333	209,147
Repurchase agreements	62,191	97,855
Borrowings	15,867	20,599
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net	1,395,655	1,494,830
Time deposits	0	0
Repurchase agreements	0	0
Borrowings	$ 0	$ 0

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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+ Details

- Definition

Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price.

+ References + Details