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Marketable Securities - Schedule of Available-for-Sale Securities Reconciliation (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 72,094	$ 6,451
Unrealized Gain	0
Unrealized Loss	(26)
Fair Value	72,068	6,451
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	13,929
Unrealized Gain	0
Unrealized Loss	(12)
Fair Value	13,917
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	39,135
Unrealized Gain	0
Unrealized Loss	(14)
Fair Value	39,121
Time Deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	19,030	6,451
Fair Value	19,030	6,451
Cash Equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	4,017
Fair Value	4,017
Short-term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	68,077	6,451
Unrealized Gain	0
Unrealized Loss	(26)
Fair Value	$ 68,051	$ 6,451

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as 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 http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

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