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v3.23.2

Fair Value Measurements (Tables) | 6 Months Ended
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Jun. 30, 2023
Fair Value Disclosures [Abstract] |
Schedule of Assets Carried at Fair Value and Measured on a Recurring Basis | The following table details the assets carried at fair value and measured on a recurring basis within the three levels of fair value as of June 30, 2023 and December 31, 2022:
(in thousands) |  |  |  | Gross Unrealized |  |  |  | Reported as:
June 30, 2023 |  | Amortized Cost |  | Gains |  | Losses |  | Fair Value |  | Cash and cash equivalents |  | Short-term investments |  | Long-term investments
Level 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mutual funds |  | $ | 1,464 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,464 |  |  | $ | 1,464 |  |  | $ | — |  |  | $ | — |
U.S. treasury securities |  | 60,888 |  |  | — |  |  | (848) |  |  | 60,040 |  |  | — |  |  | 30,562 |  |  | 29,478 |
Total Level 1 |  | 62,352 |  |  | — |  |  | (848) |  |  | 61,504 |  |  | 1,464 |  |  | 30,562 |  |  | 29,478 |
Level 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  | 98,455 |  |  | — |  |  | (47) |  |  | 98,408 |  |  | 70,675 |  |  | 27,733 |  |  | — |
Corporate debt securities |  | 6,912 |  |  | — |  |  | (49) |  |  | 6,863 |  |  | — |  |  | 1,955 |  |  | 4,908 |
Agency securities |  | 121,398 |  |  | — |  |  | (1,445) |  |  | 119,953 |  |  | — |  |  | 30,906 |  |  | 89,047 |
Total Level 2 |  | 226,765 |  |  | — |  |  | (1,541) |  |  | 225,224 |  |  | 70,675 |  |  | 60,594 |  |  | 93,955 |
Total Level 1 and Level 2 |  | $ | 289,117 |  |  | $ | — |  |  | $ | (2,389) |  |  | $ | 286,728 |  |  | $ | 72,139 |  |  | $ | 91,156 |  |  | $ | 123,433 |
(in thousands) |  |  |  | Gross Unrealized |  |  |  | Reported as:
December 31, 2022 |  | Amortized Cost |  | Gains |  | Losses |  | Fair Value |  | Cash and cash equivalents |  | Short-term investments |  | Long-term investments
Level 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mutual funds |  | $ | 1,121 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,121 |  |  | $ | 1,121 |  |  | $ | — |  |  | $ | — |
U.S. treasury securities |  | 52,686 |  |  | 4 |  |  | (774) |  |  | 51,916 |  |  | — |  |  | 2,873 |  |  | 49,043 |
Total Level 1 |  | 53,807 |  |  | 4 |  |  | (774) |  |  | 53,037 |  |  | 1,121 |  |  | 2,873 |  |  | 49,043 |
Level 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  | 156,419 |  |  | 3 |  |  | (266) |  |  | 156,156 |  |  | 113,402 |  |  | 42,754 |  |  | — |
Corporate debt securities |  | 14,154 |  |  | — |  |  | (71) |  |  | 14,083 |  |  | — |  |  | 7,224 |  |  | 6,859 |
Agency securities |  | 91,114 |  |  | 33 |  |  | (783) |  |  | 90,364 |  |  | — |  |  | 17,097 |  |  | 73,267 |
Total Level 2 |  | 261,687 |  |  | 36 |  |  | (1,120) |  |  | 260,603 |  |  | 113,402 |  |  | 67,075 |  |  | 80,126 |
Total Level 1 and Level 2 |  | $ | 315,494 |  |  | $ | 40 |  |  | $ | (1,894) |  |  | $ | 313,640 |  |  | $ | 114,523 |  |  | $ | 69,948 |  |  | $ | 129,169 |
Schedule of Unrealized Losses and Fair Values of Available-for-Sale Securities in an Unrealized Loss Position | The unrealized losses and fair values of available-for-sale securities that have been in an unrealized loss position for a period of less than and greater than 12 months as of June 30, 2023 and December 31, 2022 are as follows:
(in thousands) |  | Securities in Unrealized Loss Position Less than 12 months |  | Securities in Unrealized Loss Position Greater than 12 months |  | Total
June 30, 2023 |  | Gross Unrealized Losses |  | Fair Market Value |  | Gross Unrealized Losses |  | Fair Market Value |  | Gross Unrealized Losses |  | Fair Market Value
U.S. treasury securities |  | $ | 467 |  |  | $ | 40,628 |  |  | $ | 381 |  |  | $ | 19,412 |  |  | $ | 848 |  |  | $ | 60,040 |
Commercial paper |  | 47 |  |  | 98,409 |  |  | — |  |  | — |  |  | 47 |  |  | 98,409 |
Corporate debt securities |  | 49 |  |  | 6,862 |  |  | — |  |  | — |  |  | 49 |  |  | 6,862 |
Agency securities |  | 1,356 |  |  | 114,680 |  |  | 89 |  |  | 5,273 |  |  | 1,445 |  |  | 119,953 |
Total |  | $ | 1,919 |  |  | $ | 260,579 |  |  | $ | 470 |  |  | $ | 24,685 |  |  | $ | 2,389 |  |  | $ | 285,264 |
(in thousands) |  | Securities in Unrealized Loss Position Less than 12 months |  | Securities in Unrealized Loss Position Greater than 12 months |  | Total
December 31, 2022 |  | Gross Unrealized Losses |  | Fair Market Value |  | Gross Unrealized Losses |  | Fair Market Value |  | Gross Unrealized Losses |  | Fair Market Value
U.S. treasury securities |  | $ | 774 |  |  | $ | 49,114 |  |  | $ | — |  |  | $ | — |  |  | $ | 774 |  |  | $ | 49,114 |
Commercial paper |  | 266 |  |  | 151,354 |  |  | — |  |  | — |  |  | 266 |  |  | 151,354 |
Corporate debt securities |  | 14 |  |  | 6,859 |  |  | 57 |  |  | 7,224 |  |  | 71 |  |  | 14,083 |
Agency securities |  | 670 |  |  | 50,531 |  |  | 113 |  |  | 8,887 |  |  | 783 |  |  | 59,418 |
Total |  | $ | 1,724 |  |  | $ | 257,858 |  |  | $ | 170 |  |  | $ | 16,111 |  |  | $ | 1,894 |  |  | $ | 273,969 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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