Fair Value of Financial Instruments, Measured on Recurring Basis (Details) - Recurring [Member] - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets [Abstract]
Cash equivalents	$ 42,801	$ 106,892
Investments	295,462	259,153
Fair value of financial instruments	338,263	366,045
Liabilities [Abstract]
Total liabilities	815	1,512
Warrant Liability [Member]
Liabilities [Abstract]
Total liabilities	815	1,512
Money Market Mutual Funds [Member]
Assets [Abstract]
Cash equivalents	31,353	90,527
Commercial Paper [Member]
Assets [Abstract]
Cash equivalents		3,899
Investments	5,147	1,151
United States Treasury Securities [Member]
Assets [Abstract]
Cash equivalents	7,670	3,848
Investments	228,443	189,444
Corporate Bonds [Member]
Assets [Abstract]
Cash equivalents	3,778	8,618
Investments	54,159	60,905
Agency Bonds [Member]
Assets [Abstract]
Investments	7,713	7,653
Level 1 [Member]
Assets [Abstract]
Cash equivalents	39,023	94,375
Investments	228,443	189,444
Fair value of financial instruments	267,466	283,819
Liabilities [Abstract]
Total liabilities	0	0
Level 1 [Member] \| Warrant Liability [Member]
Liabilities [Abstract]
Total liabilities	0	0
Level 1 [Member] \| Money Market Mutual Funds [Member]
Assets [Abstract]
Cash equivalents	31,353	90,527
Level 1 [Member] \| Commercial Paper [Member]
Assets [Abstract]
Cash equivalents		0
Investments	0	0
Level 1 [Member] \| United States Treasury Securities [Member]
Assets [Abstract]
Cash equivalents	7,670	3,848
Investments	228,443	189,444
Level 1 [Member] \| Corporate Bonds [Member]
Assets [Abstract]
Cash equivalents	0	0
Investments	0	0
Level 1 [Member] \| Agency Bonds [Member]
Assets [Abstract]
Investments	0	0
Level 2 [Member]
Assets [Abstract]
Cash equivalents	3,778	12,517
Investments	67,019	69,709
Fair value of financial instruments	70,797	82,226
Liabilities [Abstract]
Total liabilities	0	0
Level 2 [Member] \| Warrant Liability [Member]
Liabilities [Abstract]
Total liabilities	0	0
Level 2 [Member] \| Money Market Mutual Funds [Member]
Assets [Abstract]
Cash equivalents	0	0
Level 2 [Member] \| Commercial Paper [Member]
Assets [Abstract]
Cash equivalents		3,899
Investments	5,147	1,151
Level 2 [Member] \| United States Treasury Securities [Member]
Assets [Abstract]
Cash equivalents	0	0
Investments	0	0
Level 2 [Member] \| Corporate Bonds [Member]
Assets [Abstract]
Cash equivalents	3,778	8,618
Investments	54,159	60,905
Level 2 [Member] \| Agency Bonds [Member]
Assets [Abstract]
Investments	7,713	7,653
Level 3 [Member]
Assets [Abstract]
Cash equivalents	0	0
Investments	0	0
Fair value of financial instruments	0	0
Liabilities [Abstract]
Total liabilities	815	1,512
Level 3 [Member] \| Warrant Liability [Member]
Liabilities [Abstract]
Total liabilities	815	1,512
Level 3 [Member] \| Money Market Mutual Funds [Member]
Assets [Abstract]
Cash equivalents	0	0
Level 3 [Member] \| Commercial Paper [Member]
Assets [Abstract]
Cash equivalents		0
Investments	0	0
Level 3 [Member] \| United States Treasury Securities [Member]
Assets [Abstract]
Cash equivalents	0	0
Investments	0	0
Level 3 [Member] \| Corporate Bonds [Member]
Assets [Abstract]
Cash equivalents	0	0
Investments	0	0
Level 3 [Member] \| Agency Bonds [Member]
Assets [Abstract]
Investments	$ 0	$ 0

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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- Definition

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.

+ References

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Fair value of financial and nonfinancial obligations.

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