Note 4 - Derivatives and Other Hedging Instruments - Schedule of Interest Rate Floors (Details) - Interest Rate Floor [Member] $ in Thousands	Jun. 30, 2023 USD ($)
Long [Member]
Notional amount	$ 1,000,000
Cost	$ 2,500
Strike Swap Rate	0.13%
Net Estimated Fair Value	$ 3,844
Notional Amount	$ (1,000,000)
Strike Swap Rate	(0.13%)
Short [Member]
Notional amount	$ 1,000,000
Cost	$ (1,358)
Strike Swap Rate	0.37%
Net Estimated Fair Value	$ (2,573)
Notional Amount	$ (1,000,000)
Strike Swap Rate	(0.37%)