The Company and Significant Accounting Policies - Summary of Amortized Cost and Unrealized (Gains) Losses of Available for Sale Securities (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
Corporate Bonds and Notes
Amortized Cost
Due within a year	$ 24,428
Due after one year	19,351
Total	43,779
Unrealized gains (losses)
Due within a year	(294)
Due after one year	(1,029)
Total	(1,323)
Asset-backed Securities [Member]
Amortized Cost
Due after one year	759
Total	759
Unrealized gains (losses)
Due after one year	(3)
Total	$ (3)