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Fair Value Measurements - Summary of Cash Equivalents (Detail) $ in Thousands	Sep. 30, 2021 USD ($)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash equivalents, amortized cost and estimated fair value	$ 23,507
Restricted cash, amortized cost and estimated fair value	50
Money market securities [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash equivalents, amortized cost and estimated fair value	23,507
Restricted cash, amortized cost and estimated fair value	$ 50

X

- Definition

Amount of 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.

+ References

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-SubTopic 10
-Section S99
-Paragraph 1
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+ References

No definition available.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, 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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