The Company and Significant Accounting Policies - Summary of Amortized Cost and Unrealized (Gains) Losses of Available for Sale Securities (Details) $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($)
Corporate Bonds and Notes
Amortized Cost
Due within a year	$ 44,006
Due after one year	32,877
Total	76,883
Unrealized gains (losses)
Due within a year	(219)
Due after one year	(133)
Total	(352)
Asset-backed Securities [Member]
Amortized Cost
Due after one year	8,506
Total	8,506
Unrealized gains (losses)
Due after one year	(27)
Total	$ (27)

Available for sale securities after one year unrealized gains (losses).

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Available for sale securities debt maturities after one year amortized cost.

+ References

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Available for sale securities within one year unrealized gains (losses).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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