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Cash and Cash Equivalents, Investments and Fair Value Measurements - Schedule of Available For Sale Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | $ 567,136 |
Fair Value | 565,429 |
Cash and cash equivalents: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | 143,747 | $ 135,757
Unrealized Gain | 0 | 0
Unrealized Loss | 0 | 0
Fair Value | 143,747 | 135,757
Cash and cash equivalents: | Cash |  |
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | 46,996 | 45,050
Unrealized Gain | 0 | 0
Unrealized Loss | 0 | 0
Fair Value | 46,996 | 45,050
Cash and cash equivalents: | Money market funds | Level 1 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | 96,751 | 90,707
Unrealized Gain | 0 | 0
Unrealized Loss | 0 | 0
Fair Value | 96,751 | 90,707
Short-term investments: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | 247,976 | 194,787
Unrealized Gain | 0 | 0
Unrealized Loss | (963) | (530)
Fair Value | 247,013 | 194,257
Short-term investments: | Corporate debt securities | Level 2 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | 117,099 | 69,548
Unrealized Gain | 0 | 0
Unrealized Loss | (425) | (170)
Fair Value | 116,674 | 69,378
Short-term investments: | U.S. treasury securities | Level 1 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | 66,670 | 25,734
Unrealized Gain | 0 | 0
Unrealized Loss | (357) | (114)
Fair Value | 66,313 | 25,620
Short-term investments: | Agency bonds | Level 2 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | 64,207 | 99,505
Unrealized Gain | 0 | 0
Unrealized Loss | (181) | (246)
Fair Value | 64,026 | 99,259
Long-term investments: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | 222,409 | 248,754
Unrealized Gain | 287 | 1,063
Unrealized Loss | (1,031) | (270)
Fair Value | 221,665 | 249,547
Long-term investments: | Corporate debt securities | Level 2 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | 169,302 | 191,467
Unrealized Gain | 287 | 898
Unrealized Loss | (631) | (213)
Fair Value | 168,958 | 192,152
Long-term investments: | U.S. treasury securities | Level 1 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Adjusted Cost | 53,107 | 57,287
Unrealized Gain | 0 | 165
Unrealized Loss | (400) | (57)
Fair Value | $ 52,707 | $ 57,395

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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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