Fair Value Measurements - Schedule of Debt Securities Classified as Available-for-Sale Investments (Details) - USD ($) |
Sep. 30, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Schedule Of Available For Sale Securities [Line Items] | ||
| Amortized Cost | $ 118,062,000 | |
| Gross Unrealized Gains | 12,000 | |
| Fair value | 118,074,000 | $ 0 |
| Money Market Funds Included in Cash and Cash Equivalents | ||
| Schedule Of Available For Sale Securities [Line Items] | ||
| Amortized Cost | 108,679,000 | |
| Fair value | 108,679,000 | |
| Corporate Bonds - due in One Year or Less | ||
| Schedule Of Available For Sale Securities [Line Items] | ||
| Amortized Cost | 8,051,000 | |
| Gross Unrealized Gains | 11,000 | |
| Fair value | 8,062,000 | |
| Corporate bonds - due Between One to Two Years | ||
| Schedule Of Available For Sale Securities [Line Items] | ||
| Amortized Cost | 1,332,000 | |
| Gross Unrealized Gains | 1,000 | |
| Fair value | $ 1,333,000 |
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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). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 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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