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Note 10 - Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Investment securities | $ 29,805 | $ 35,935
Allowance for credit losses | 19,575 | 18,099
Deferred compensation | 6,807 | 6,349
Operating lease liability | 5,449 | 5,066
Acquired loan fair value adjustments | 3,205 | 3,506
Accrued expenses | 2,691 | 4,605
Interest rate swaps | 63 | 6
Write-downs and costs associated with OREO | 27 | 21
Deferred PPP loan fees | 17 | 77
Investments in tax credit partnerships | 0 | 215
State net operating loss | 0 | 540
Total deferred tax assets | 67,639 | 74,419
Right-of-use operating lease asset | 5,181 | 4,848
Mortgage servicing rights | 3,192 | 3,712
Property and equipment | 2,036 | 2,395
Other liabilities | 2,025 | 2,009
Investments in tax credit partnerships | 1,515 | 0
Loan costs | 1,504 | 1,272
Leases | 200 | 170
Total deferred tax liabilities | 20,403 | 20,274
Net deferred tax asset | 47,236 | 54,145
Core Deposits [Member] |  |
Intangibles | 2,688 | 3,399
Customer Lists [Member] |  |
Intangibles | $ 2,062 | $ 2,469

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