The Company and Significant Accounting Policies - Summary of Amortized Cost and Unrealized (Gains) Losses of Available for Sale Securities (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($)
Corporate Bonds and Notes
Amortized Cost
Due within a year	$ 37,259
Due after one year	31,680
Total	68,939
Unrealized gains (losses)
Due within a year	(398)
Due after one year	(1,605)
Total	(2,003)
Asset-backed Securities [Member]
Amortized Cost
Due after one year	7,389
Total	7,389
Unrealized gains (losses)
Due after one year	(47)
Total	$ (47)