Cash Equivalents and Short-term Investments - Narrative (Details) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
|
Sep. 30, 2022
USD ($)
position
|
Sep. 30, 2021
USD ($)
|
Sep. 30, 2022
USD ($)
position
|
Sep. 30, 2021
USD ($)
|
Dec. 31, 2021
USD ($)
position
|
|
| Investments, Debt and Equity Securities [Abstract] | |||||
| Market value of unrealized loss positions | $ 164,700,000 | $ 164,700,000 | $ 163,000,000 | ||
| Unrealized losses, greater than 12 months | 664,000 | 664,000 | 0 | ||
| Unrealized Loss | $ (2,767,000) | $ (2,767,000) | $ (591,000) | ||
| Number of investment positions | position | 33 | 33 | 38 | ||
| Realized gain (loss) | $ 0 | $ 0 | $ 0 | $ 0 | |
| Fair Value, Total | $ 203,971,000 | $ 203,971,000 | |||
| X | ||||||||||
- Definition Debt Securities, Available-For-Sale, Unrealized Loss Position, Market Value No definition available.
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| X | ||||||||||
- Definition Amount, before tax, of unrealized loss 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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| X | ||||||||||
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of realized gain (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/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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