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v3.23.3

Fair value of financial instruments and investments - Marketable Securities, Unrealized Gains (Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | $ 1,649 |  | $ 1,649 |  | $ 23,104
Gross Unrealized, Gain |  |  |  |  | 5
Gross Unrealized, Loss | (24) |  | (24) |  | (499)
Fair Value | 1,625 |  | 1,625 |  | 22,610
Write downs of available for sale debt securities | 0 | $ 0 | 0 | $ 0 |
Increase in allowance for credit losses | 0 | 0 | 0 | 0 |
Realized gain (loss) from sale of marketable securities | 0 | $ (1,300) | (300) | $ (1,600) |
Commercial paper |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost |  |  |  |  | 12,419
Gross Unrealized, Gain |  |  |  |  | 5
Gross Unrealized, Loss |  |  |  |  | 0
Fair Value |  |  |  |  | 12,424
Corporate debt securities |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 1,649 |  | 1,649 |  | 10,685
Gross Unrealized, Gain | 0 |  | 0 |  |
Gross Unrealized, Loss | (24) |  | (24) |  | (499)
Fair Value | $ 1,625 |  | $ 1,625 |  | $ 10,186

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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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 + Details
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- 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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 + Details
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