Balance Sheet Components (Schedule of Available-for-sale Investments in an Unrealized Loss Position) (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, fair value	$ 1,415	$ 30,711
Less than 12 months, unrealized loss	(365)	(15)
U.S. Government Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, fair value	566
Less than 12 months, unrealized loss	(78)
Corporate Bonds/Notes [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, fair value	413	26,716
Less than 12 months, unrealized loss	(153)	(12)
Agency Bonds/Notes [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, fair value	389	3,995
Less than 12 months, unrealized loss	(108)	$ (3)
Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, fair value	47
Less than 12 months, unrealized loss	(25)
Commercial Paper [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, unrealized loss	$ (1)