Note 4 - Derivative Instruments and Hedging Activities (Details Textual) $ in Thousands	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2017
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	$ (10,177)		$ 1,045	$ (9,925)	$ 2,309
Derivative Assets (Liabilities), Net Fair Value of Derivative Contracts, Excluding Impact of Credit Risk	$ 25,930	$ 39,796		$ 25,930
Wallbox N.V. [Member]
Payments to Acquire Investments		$ 30,000
Investment Owned, Net Assets, Percentage		5.00%
Wallbox N.V. [Member] | Option to Purchase Additional Interest [Member]
Investment Owned, Net Assets, Percentage		5.00%
Commodity Contract [Member]
Derivative, Number of Instruments Held, Total	0			0
Interest Rate Swap [Member]
Number of New Contracts Entered	3					20
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	$ (10,177)		$ 1,045	$ (9,925)	$ 2,309
Stock Warrants [Member] | Wallbox N.V. [Member]
Unrealized Gain (Loss) on Derivatives	$ 6,606			$ 339