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Available-for-Sale Investments - Summary of Available-for-Sale Securities Held (Detail) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | $ 76,323 | $ 120,236
Gross unrealized gains |  | 8
Gross unrealized losses | (433) | (53)
Fair Value | 75,890 | 120,191
Commercial Paper |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 56,852 | 106,298
Gross unrealized gains |  | 8
Gross unrealized losses | (238) | (29)
Fair Value | 56,614 | 106,277
Corporate Debt Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost |  | 5,876
Gross unrealized losses |  | (3)
Fair Value |  | 5,873
U.S. Government Agency Securities and Treasuries |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 19,471 | 8,062
Gross unrealized losses | (195) | (21)
Fair Value | $ 19,276 | $ 8,041

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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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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