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Note 18 - Fair Value Measurements and Fair Value of Financial Instruments - Schedule of Significant Financial Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Investment securities - AFS |  | $ 318,961 |  | $ 256,830
Investment securities - HTM |  | 5,097 |  | 5,563
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] |  |  |  |
Cash and due from banks |  | 431,373 |  | 83,548
Interest-earning deposits in other financial institutions |  | 600 |  | 600
Mortgage loans held for sale |  | 1,911 |  | 0
Accrued interest receivable (1) | [1] | 13,743 |  | 14,536
Accrued interest payable |  | 11,671 |  | 3,711
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |
Cash and due from banks |  | 431,373 |  | 83,548
Interest-earning deposits in other financial institutions |  | 600 |  | 600
Mortgage loans held for sale |  | 1,845 |  | 0
Accrued interest receivable (1) | [1] | 13,743 |  | 14,536
Accrued interest payable |  | 11,671 |  | 3,711
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] |  |  |  |
Investment securities - AFS |  | 318,961 |  | 256,830
Investment securities - HTM |  | 5,209 |  | 5,729
Servicing assets |  | 8,110 |  | 9,521
Deposits |  | 3,174,760 |  | 2,977,683
FHLB advances |  | 150,000 |  | 220,000
Long-term debt |  | 119,147 |  | 173,585
Subordinated debentures |  | 14,938 |  | 14,720
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |
Investment securities - AFS |  | 318,961 |  | 256,830
Investment securities - HTM |  | 5,097 |  | 5,563
Servicing assets |  | 14,883 |  | 21,712
Deposits |  | 3,181,495 |  | 2,960,529
FHLB advances |  | 144,891 |  | 210,470
Long-term debt |  | 83,864 |  | 132,709
Subordinated debentures |  | 14,566 |  | 14,195
Fair Value, Inputs, Level 3 [Member] | Interest Rate Lock Contracts [Member] |  |  |  |
Derivative assets, notional amount |  | 1,255 |  | 0
Derivative assets |  | 32 |  | 0
Fair Value, Inputs, Level 3 [Member] | Forward Mortgage Loan Sale Contracts [Member] |  |  |  |
Derivative assets, notional amount |  | 1,104 |  | 1,179
Derivative assets |  | 14 | [1] | 18
Fair Value, Inputs, Level 3 [Member] | Reported Value Measurement [Member] |  |  |  |
Loans, net |  | 2,989,958 |  | 3,295,373
Equity securities (1) | [1] | 22,251 |  | 22,238
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |
Loans, net |  | 2,918,296 |  | 3,251,464
Equity securities (1) | [1] | $ 22,251 |  | $ 22,238
[1] | Included in “Accrued interest and other assets” on the consolidated balance sheets.

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