Note 4 - Balance Sheet Components - Other Long-term Assets (Details) - USD ($) $ in Thousands		Sep. 30, 2025	Dec. 31, 2024
Deferred compensation plan assets		$ 101,905	$ 92,586
Prepaid wafer purchases	[1]	0	60,000
Other		59,150	41,791
Total		$ 161,055	$ 194,377

[1] Prepaid wafer purchases relate to a deposit made to a supplier under a long-term wafer supply agreement. See Note 8 to our unaudited condensed consolidated financial statements for details about the supply agreement.