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Note 16 - Balance Sheet Offsetting - Financial Instruments That Are Eligible for Offset in the Consolidated Balance Sheet (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Derivative assets, gross | $ 83,434 |  | $ 90,451
Derivatives, Gross Amounts Offset in the Balance Sheet | 9,820 |  | 46,008
Derivative assets, net | 73,614 |  | 44,443
Derivatives, collateral posted |  | $ 70,745 | 42,930
Derivative assets not offset | 2,869 |  | 1,513
Derivative liabilities, gross | 56,058 |  | 51,864
Derivatives, Gross Amounts Offset in the Balance Sheet | 0 |  | 0
Derivative liabilities, net | 56,058 |  | 51,864
Derivatives, collateral posted |  | $ 0 | 0
Derivative liabilities not offset | $ 56,058 |  | $ 51,864

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