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	Jun. 29, 2025	Dec. 31, 2024
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 119,665	$ 119,199
Unrealized Gains	37	171
Unrealized Losses	0	0
Estimated Fair Value	119,702	119,370
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	119,665	119,199
Unrealized Gains	37	171
Unrealized Losses	0	0
Estimated Fair Value	$ 119,702	$ 119,370