Balance Sheet Components (Schedule of Amortized Cost and Estimated Fair Market Value of Investments Classified as Available-for-Sale Excluding Cash Equivalents) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 119,199	$ 98,499
Unrealized Gains	171	128
Unrealized Losses	0	0
Estimated Fair Value	119,370	98,627
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	119,199	98,326
Unrealized Gains	171	128
Unrealized Losses	0	0
Estimated Fair Value	$ 119,370	98,454
Convertible debt securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost		173
Unrealized Gains		0
Unrealized Losses		0
Estimated Fair Value		$ 173