Investments - Additional Information (Detail) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Schedule Of Investments [Line Items] | ||
| Cash and cash equivalents | $ 69,767,000 | $ 124,184,000 |
| Short-term investments | 101,079,000 | 79,932,000 |
| Long-term investments | 1,961,000 | 56,619,000 |
| Accretion or amortization | 700,000 | 500,000 |
| Allowance for credit losses on held-to-maturity securities | 0 | 0 |
| Accrued interest receivable | 600,000 | 300,000 |
| Amount receivable on matured investment | 5,100,000 | |
| Held-to-Maturity Investments | ||
| Schedule Of Investments [Line Items] | ||
| Short-term investments | 101,100,000 | 79,900,000 |
| Long-term investments | 2,000,000.0 | 56,600,000 |
| Convertible Promissory Note | Thirona Bio Inc | ||
| Schedule Of Investments [Line Items] | ||
| Investment securities | 7,100,000 | |
| Available-for-Sale Investment, credit losses | 900,000 | |
| Money Market Funds | ||
| Schedule Of Investments [Line Items] | ||
| Cash and cash equivalents | $ 69,800,000 | $ 124,200,000 |
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- Definition Accrued interest receivable. No definition available.
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- Definition Amount receivable on matured investment. No definition available.
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- Definition The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount 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. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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