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Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Summary of Cash, Cash Equivalents and Marketable Securities (Detail) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Cash and Cash Equivalents |  |
Cash Cash Equivalents And Marketable Securities [Line Items] |  |
Amortized Cost | $ 226,823 | $ 202,004
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Estimated Fair Value | 226,823 | 202,004
Marketable Securities Available-for-Sale |  |
Cash Cash Equivalents And Marketable Securities [Line Items] |  |
Amortized Cost | 456,638 | 423,796
Unrealized Gains | 6 | 12
Unrealized Losses | (1,942) | (1,417)
Estimated Fair Value | 454,702 | 422,391
Marketable Securities Available-for-Sale | Cash and Cash Equivalents |  |
Cash Cash Equivalents And Marketable Securities [Line Items] |  |
Amortized Cost | 683,461 | 625,800
Unrealized Gains | 6 | 12
Unrealized Losses | (1,942) | (1,417)
Estimated Fair Value | 681,525 | 624,395
Cash | Cash and Cash Equivalents |  |
Cash Cash Equivalents And Marketable Securities [Line Items] |  |
Amortized Cost | 74,527 | 29,586
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Estimated Fair Value | 74,527 | 29,586
Money Market Funds | Cash and Cash Equivalents |  |
Cash Cash Equivalents And Marketable Securities [Line Items] |  |
Amortized Cost | 152,296 | 172,418
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Estimated Fair Value | 152,296 | 172,418
U.S. Treasuries | Marketable Securities Available-for-Sale |  |
Cash Cash Equivalents And Marketable Securities [Line Items] |  |
Amortized Cost | 20,512 | 42,502
Unrealized Gains | 0 | 0
Unrealized Losses | (155) | (194)
Estimated Fair Value | 20,357 | 42,308
U.S. Government Agency Securities | Marketable Securities Available-for-Sale |  |
Cash Cash Equivalents And Marketable Securities [Line Items] |  |
Amortized Cost | 174,012 | 88,429
Unrealized Gains | 0 | 0
Unrealized Losses | (1,221) | (397)
Estimated Fair Value | 172,791 | 88,032
Corporate Debt Securities | Marketable Securities Available-for-Sale |  |
Cash Cash Equivalents And Marketable Securities [Line Items] |  |
Amortized Cost | 262,114 | 292,865
Unrealized Gains | 6 | 12
Unrealized Losses | (566) | (826)
Estimated Fair Value | $ 261,554 | $ 292,051

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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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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