Note 14 - Derivatives and Hedging Activities - The Netting Arrangement of Derivative Instruments (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Derivative Assets Interest rate swaps	$ 27,505	$ 26,173
Financial instruments, derivative assets	5,175	415
Cash collaterl, derivative assets	14,010	24,760
Net amount, derivative assets	8,320	998
Derivative Liabilities Interest rate swaps	27,964	26,377
Financial instruments, derivative liability	5,175	415
Cash collaterl, derivative liability	3,120	0
Net amount, derivative liability	$ 19,669	$ 25,962