Financial Instruments - Summary of Financial assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2022	Dec. 31, 2021
Available-for-sale [Abstract]
Cash	$ 4,423	$ 2,765
Adjusted Cost	382,853	445,534
Unrealized Losses	(3,929)	(524)
Fair Value	378,924	445,010
Cash and cash equivalents	83,048	66,810
Marketable Securities	295,876	378,200
Financial liabilities, Adjusted cost	273	1,060
Financial liabilities, Fair value	273	1,060
Fair Value, Inputs, Level 1 [Member] \| Money Market Funds [Member]
Available-for-sale [Abstract]
Adjusted Cost	72,630	38,045
Fair Value	72,630	38,045
Cash and cash equivalents	72,630	38,045
Fair Value, Inputs, Level 2 [Member]
Available-for-sale [Abstract]
Adjusted Cost	305,800	404,724
Unrealized Losses	(3,929)	(524)
Fair Value	301,871	404,200
Cash and cash equivalents	5,995	26,000
Marketable Securities	295,876	378,200
Fair Value, Inputs, Level 2 [Member] \| U.S. Government Securities [Member]
Available-for-sale [Abstract]
Adjusted Cost	58,480	45,982
Unrealized Losses	(1,206)	(66)
Fair Value	57,274	45,916
Marketable Securities	57,274	45,916
Fair Value, Inputs, Level 2 [Member] \| U.S. Treasury Securities [Member]
Available-for-sale [Abstract]
Adjusted Cost	25,400	80,500
Unrealized Losses	(80)	(7)
Fair Value	25,320	80,493
Cash and cash equivalents		26,000
Marketable Securities	25,320	54,493
Fair Value, Inputs, Level 2 [Member] \| Commercial Paper [Member]
Available-for-sale [Abstract]
Adjusted Cost	69,098	94,887
Unrealized Losses	(392)	(15)
Fair Value	68,706	94,872
Cash and cash equivalents	5,995
Marketable Securities	62,711	94,872
Fair Value, Inputs, Level 2 [Member] \| Corporate Bonds [Member]
Available-for-sale [Abstract]
Adjusted Cost	152,822	182,338
Unrealized Losses	(2,251)	(435)
Fair Value	150,571	181,903
Marketable Securities	150,571	181,903
Fair Value, Inputs, Level 2 [Member] \| Muncipal Securities [Member]
Available-for-sale [Abstract]
Adjusted Cost		1,017
Unrealized Losses		(1)
Fair Value		1,016
Marketable Securities		1,016
Fair Value, Inputs, Level 3 [Member] \| Warrant Liabilities [Member]
Available-for-sale [Abstract]
Financial liabilities, Adjusted cost	273	1,060
Financial liabilities, Fair value	$ 273	$ 1,060

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- Definition

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

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Amount of unrealized 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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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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Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

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Amount of investment in marketable security.

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