Summary of Significant Accounting Policies - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fair Value of Financial Instruments
Money Market Funds in Cash and Cash Equivalents	$ 53,942	$ 143,480
Marketable securities	530,515
Money Market Funds in Cash and Cash Equivalents
Fair Value of Financial Instruments
Money Market Funds in Cash and Cash Equivalents	40,967	123,892
Corporate Securities
Fair Value of Financial Instruments
Marketable securities	200,626	144,418
Government Securities
Fair Value of Financial Instruments
Marketable securities	329,889	309,814
Fair Value, Recurring
Fair Value of Financial Instruments
Total Fair Value	571,482	578,124
Fair Value, Recurring \| Money Market Funds in Cash and Cash Equivalents
Fair Value of Financial Instruments
Money Market Funds in Cash and Cash Equivalents	40,967	123,892
Fair Value, Recurring \| Corporate Securities
Fair Value of Financial Instruments
Marketable securities	200,626	144,418
Fair Value, Recurring \| Government Securities
Fair Value of Financial Instruments
Marketable securities	329,889	309,814
Level 1 \| Fair Value, Recurring
Fair Value of Financial Instruments
Total Fair Value	40,967	123,892
Level 1 \| Fair Value, Recurring \| Money Market Funds in Cash and Cash Equivalents
Fair Value of Financial Instruments
Money Market Funds in Cash and Cash Equivalents	40,967	123,892
Level 1 \| Fair Value, Recurring \| Corporate Securities
Fair Value of Financial Instruments
Marketable securities	0	0
Level 1 \| Fair Value, Recurring \| Government Securities
Fair Value of Financial Instruments
Marketable securities	0	0
Level 2 \| Fair Value, Recurring
Fair Value of Financial Instruments
Total Fair Value	530,515	454,232
Level 2 \| Fair Value, Recurring \| Money Market Funds in Cash and Cash Equivalents
Fair Value of Financial Instruments
Money Market Funds in Cash and Cash Equivalents	0	0
Level 2 \| Fair Value, Recurring \| Corporate Securities
Fair Value of Financial Instruments
Marketable securities	200,626	144,418
Level 2 \| Fair Value, Recurring \| Government Securities
Fair Value of Financial Instruments
Marketable securities	329,889	309,814
Level 3 \| Fair Value, Recurring
Fair Value of Financial Instruments
Total Fair Value	0	0
Level 3 \| Fair Value, Recurring \| Money Market Funds in Cash and Cash Equivalents
Fair Value of Financial Instruments
Money Market Funds in Cash and Cash Equivalents	0	0
Level 3 \| Fair Value, Recurring \| Corporate Securities
Fair Value of Financial Instruments
Marketable securities	0	0
Level 3 \| Fair Value, Recurring \| Government Securities
Fair Value of Financial Instruments
Marketable securities	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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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).

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Amount 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. Excludes cash and cash equivalents within disposal group and discontinued operation.

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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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No definition available.

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