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Investments - Summary of Available For Sale Securities Continuous Unrealized Loss Position Fair Value (Detail) $ in Thousands	Dec. 31, 2022 USD ($)
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 121,583
Gross Unrealized Holding Loss	(314)
Fair Value as	121,269
United States Treasury Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	58,514
Gross Unrealized Holding Loss	(304)
Fair Value as	58,210
Corporate Bonds
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	3,581
Gross Unrealized Holding Loss	(10)
Fair Value as	3,571
Commercial Papers
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	23,142
Gross Unrealized Holding Loss	0
Fair Value as	23,142
Money Market Funds
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	36,346
Gross Unrealized Holding Loss	0
Fair Value as	$ 36,346

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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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), in unrealized loss position without allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 6
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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 320
-SubTopic 10
-Section 50
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