Note 12 - Derivative Instruments and Hedging Activities (Details Textual) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Gain (Loss) on Sale of Derivatives	$ 0.8		$ 0.8
Unrealized Gain (Loss) on Derivatives	$ 2.3	$ 3.4	$ 2.3	$ 3.4

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.