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Financial Instruments - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Financial Instruments [Line Items] |  |  |
Period cash equivalents and short-term investments have been in continuous unrealized gain (loss) position, years, maximum | 1 year |  |
Total short-term investments (available for sale), Fair value | $ 399,315 | $ 174,213 |
Non controlling interest | 1,100 |  |
Gain (loss) from investment in affiliate | (1,800) | 200 | $ 200
Impairment of equity method investments | $ 1,200 |  |
Equity Affiliate [Member] |  |  |
Financial Instruments [Line Items] |  |  |
Percentage of investment in equity affiliate | 30.70% |  |
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Financial Instruments [Line Items] |  |  |
Total short-term investments (available for sale), Fair value | $ 40,100 | $ 225,300 |

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- Definition The maximum length of time, in years, that the amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer, are in a continuous unrealized loss/gain position. + References No definition available. + Details
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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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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