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INVESTMENTS IN DEBT SECURITIES (Tables) | 9 Months Ended
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Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract] |
Schedule of Short-term and Long-term Investments | The Company's short-term and long-term investments in debt securities as of September 30, 2025 and December 31, 2024 were as follows (in thousands):
| September 30, 2025
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Short-term debt securities: |  |  |  |  |  |  |
U.S. agency securities | $ | 24,017 |  |  | $ | 12 |  |  | $ | — |  |  | $ | 24,029 |
Corporate bonds | 65,035 |  |  | 201 |  |  | (5) |  |  | 65,231 |
Commercial paper | 8,418 |  |  | — |  |  | — |  |  | 8,418 |
Municipal securities | 130 |  |  | 1 |  |  | — |  |  | 131 |
Certificates of deposit | 1,246 |  |  | — |  |  | — |  |  | 1,246 |
U.S. government securities | 271,158 |  |  | 599 |  |  | (40) |  |  | 271,717 |
Total | $ | 370,004 |  |  | $ | 813 |  |  | $ | (45) |  |  | $ | 370,772 |
Long-term debt securities: |  |  |  |  |  |  |
U.S. agency securities | $ | 5,000 |  |  | $ | 5 |  |  | $ | — |  |  | $ | 5,005 |
Corporate bonds | 47,448 |  |  | 111 |  |  | (2) |  |  | 47,557 |
Municipal securities | 5,667 |  |  | 47 |  |  | (171) |  |  | 5,543 |
U.S. government securities | 118,164 |  |  | 521 |  |  | (6) |  |  | 118,679 |
Total | $ | 176,279 |  |  | $ | 684 |  |  | $ | (179) |  |  | $ | 176,784 |
| December 31, 2024
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Short-term debt securities: |  |  |  |  |  |  |
U.S. agency securities | $ | 34,454 |  |  | $ | 15 |  |  | $ | (1) |  |  | $ | 34,468 |
Corporate bonds | 160,238 |  |  | 248 |  |  | (96) |  |  | 160,390 |
Commercial paper | 333 |  |  | — |  |  | — |  |  | 333 |
Municipal securities | 398 |  |  | 1 |  |  | — |  |  | 399 |
Certificates of deposit | 1,051 |  |  | — |  |  | — |  |  | 1,051 |
U.S. government securities | 206,340 |  |  | 449 |  |  | (4) |  |  | 206,785 |
Total | $ | 402,814 |  |  | $ | 713 |  |  | $ | (101) |  |  | $ | 403,426 |
Long-term debt securities: |  |  |  |  |  |  |
U.S. agency securities | $ | 49,017 |  |  | $ | 23 |  |  | $ | (10) |  |  | $ | 49,030 |
Corporate bonds | 195,035 |  |  | 693 |  |  | (384) |  |  | 195,344 |
Municipal securities | 4,592 |  |  | 4 |  |  | (251) |  |  | 4,345 |
U.S. government securities | 222,164 |  |  | 1,218 |  |  | (124) |  |  | 223,258 |
Total | $ | 470,808 |  |  | $ | 1,938 |  |  | $ | (769) |  |  | $ | 471,977 |
Schedule of Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value | The Company's gross unrealized losses and fair values for those investments that were in an unrealized loss position as of September 30, 2025 and December 31, 2024, aggregated by investment category and the length of time that individual securities have been in a continuous loss position were as follows (in thousands):
| September 30, 2025
| Less than 12 Months |  | Greater than 12 Months |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
Short-term debt securities: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 5,330 |  |  | $ | (5) |  |  | $ | — |  |  | $ | — |  |  | $ | 5,330 |  |  | $ | (5) |
U.S. government securities | 70,737 |  |  | (35) |  |  | 3,597 |  |  | (5) |  |  | 74,334 |  |  | (40) |
Total | $ | 76,067 |  |  | $ | (40) |  |  | $ | 3,597 |  |  | $ | (5) |  |  | $ | 79,664 |  |  | $ | (45) |
Long-term debt securities: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 6,521 |  |  | $ | (2) |  |  | $ | — |  |  | $ | — |  |  | $ | 6,521 |  |  | $ | (2) |
Municipal securities | 1,831 |  |  | (41) |  |  | 1,251 |  |  | (130) |  |  | 3,082 |  |  | (171) |
U.S. government securities | 12,908 |  |  | (6) |  |  | — |  |  | — |  |  | 12,908 |  |  | (6) |
Total | $ | 21,260 |  |  | $ | (49) |  |  | $ | 1,251 |  |  | $ | (130) |  |  | $ | 22,511 |  |  | $ | (179) |
| December 31, 2024
| Less than 12 Months |  | Greater than 12 Months |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
Short-term debt securities: |  |  |  |  |  |  |  |  |  |  |
U.S. agency securities | $ | 18,954 |  |  | $ | (1) |  |  | $ | — |  |  | $ | — |  |  | $ | 18,954 |  |  | $ | (1) |
Corporate bonds | 50,905 |  |  | (93) |  |  | 1,995 |  |  | (3) |  |  | 52,900 |  |  | (96) |
U.S. government securities | — |  |  | — |  |  | 3,994 |  |  | (4) |  |  | 3,994 |  |  | (4) |
Total | $ | 69,859 |  |  | $ | (94) |  |  | $ | 5,989 |  |  | $ | (7) |  |  | $ | 75,848 |  |  | $ | (101) |
Long-term debt securities: |  |  |  |  |  |  |  |  |  |  |
U.S. agency securities | $ | 9,990 |  |  | $ | (10) |  |  | $ | — |  |  | $ | — |  |  | $ | 9,990 |  |  | $ | (10) |
Corporate bonds | 80,550 |  |  | (384) |  |  | — |  |  | — |  |  | 80,550 |  |  | (384) |
Municipal securities | 2,848 |  |  | (128) |  |  | 363 |  |  | (123) |  |  | 3,211 |  |  | (251) |
U.S. government securities | 58,681 |  |  | (124) |  |  | — |  |  | — |  |  | 58,681 |  |  | (124) |
Total | $ | 152,069 |  |  | $ | (646) |  |  | $ | 363 |  |  | $ | (123) |  |  | $ | 152,432 |  |  | $ | (769) |
Schedule of Contractual Maturities of Short-Term and Long-Term Investments | The contractual maturities of the Company's short-term and long-term investments as of September 30, 2025 were as follows (in thousands):
| Amortized Cost |  | Fair Value
Due in one year or less | $ | 370,004 |  |  | $ | 370,772 |
Due in one to five years | 176,279 |  |  | 176,784 |
Total | $ | 546,283 |  |  | $ | 547,556 |

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