Note 9 - Fair Value Measurement - Details of Fair Value Adjustment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total fair value adjustments, net	$ 9,615	$ 5,002	$ 13,242	$ 3,150
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unrealized gain on equity securities investments	$ 4,866	$ 5,588	$ 8,507	$ 5,635
Unrealized gain on equity securities investments	Change in fair value of derivative contracts designated as hedge transactions	Change in fair value of derivative contracts designated as hedge transactions	Change in fair value of derivative contracts designated as hedge transactions	Change in fair value of derivative contracts designated as hedge transactions
Derivative [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) on derivative contracts	$ 4,749	$ (586)	$ 4,735	$ (2,485)