Investments - Components of Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost Basis	$ 504,905	$ 580,919
Unrealized Gains	32	26
Unrealized Losses	(1,595)	(274)
Fair Value	503,342	580,671
Cash and Cash Equivalents	319,346	78,987
Marketable Securities - Current	127,268	319,055
Marketable Securities - Non-current	56,728	182,629
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost Basis	58,455	111,619
Unrealized Gains	1	1
Unrealized Losses	(264)	(68)
Fair Value	58,192	111,552
Cash and Cash Equivalents	0	0
Marketable Securities - Current	1,464	5,372
Marketable Securities - Non-current	56,728	106,180
Certificates of deposits
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost Basis		6,002
Unrealized Gains		0
Unrealized Losses		0
Fair Value		6,002
Cash and Cash Equivalents		0
Marketable Securities - Current		6,002
Marketable Securities - Non-current		0
Corporate notes and bonds
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost Basis	111,592	207,170
Unrealized Gains	0	21
Unrealized Losses	(1,294)	(201)
Fair Value	110,298	206,990
Cash and Cash Equivalents	0	3,026
Marketable Securities - Current	110,298	132,688
Marketable Securities - Non-current	0	71,276
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost Basis	10,477	109,391
Unrealized Gains	2	0
Unrealized Losses	0	0
Fair Value	10,479	109,391
Cash and Cash Equivalents	0	24,193
Marketable Securities - Current	10,479	85,198
Marketable Securities - Non-current	0	0
Money market funds
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost Basis	232,448	51,768
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	232,448	51,768
Cash and Cash Equivalents	232,448	51,768
Marketable Securities - Current	0	0
Marketable Securities - Non-current	0	0
Foreign government securities
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost Basis	5,064	8,186
Unrealized Gains	0	0
Unrealized Losses	(37)	(5)
Fair Value	5,027	8,181
Cash and Cash Equivalents	0	0
Marketable Securities - Current	5,027	3,008
Marketable Securities - Non-current	0	5,173
US government and agency securities
Debt Securities, Available-for-sale [Line Items]
Adjusted Cost Basis	86,869	86,783
Unrealized Gains	29	4
Unrealized Losses	0	0
Fair Value	86,898	86,787
Cash and Cash Equivalents	86,898	0
Marketable Securities - Current	0	86,787
Marketable Securities - Non-current	$ 0	$ 0

Cash, Cash Equivalents And Available-For-Sale Debt Securities

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- Definition

Cash, Cash Equivalents And Available-For-Sale Debt Securities, Amortized Cost

+ References

No definition available.

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- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) 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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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

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-Topic 210
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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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