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Investments and Fair Value Measurements | 12 Months Ended
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Mar. 31, 2024
Fair Value Disclosures [Abstract] |
Investments and Fair Value Measurements | Investments and Fair Value Measurements The following table summarizes the amortized cost, unrealized gains and losses, and fair value of our available-for-sale investments, including those securities classified within “Cash and cash equivalents” in the consolidated balance sheets (in thousands):
| March 31, 2024
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
U.S. treasury securities | $ | 149,978 |  |  | $ | — |  |  | $ | (229) |  |  | $ | 149,749 |
As of March 31, 2024, the fair values of available-for-sale investments, excluding those securities classified within “Cash and cash equivalents” in the consolidated balance sheets, by remaining contractual maturity are as follows (in thousands):
Due within one year | $ | 57,891 |
Due in one year through five years | 46,248 |
Total | $ | 104,139 |
Beginning in January 2024, the Company offers the ability to participate in a non-qualified deferred compensation plan to certain eligible employees. The Company holds $0.1 million of mutual funds that are associated with this plan and are classified as restricted trading securities. These securities are not included in the tables above but are included as investments in the consolidated balance sheets. The following tables present the Company’s financial assets that have been measured at fair value on a recurring basis as of March 31, 2024 and 2023, and indicate the fair value hierarchy of the valuation inputs utilized to determine such fair value (in thousands):
| March 31, 2024
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents: |  |  |  |  |  |  |
Money market funds | $ | 477,102 |  |  | $ | — |  |  | $ | — |  |  | $ | 477,102 |
U.S. treasury securities | — |  |  | 45,610 |  |  | — |  |  | 45,610 |
Investments: |  |  |  |  |  |  |
Mutual funds | 102 |  |  | — |  |  | — |  |  | 102 |
U.S. treasury securities | — |  |  | 104,139 |  |  | — |  |  | 104,139 |
Total financial assets | $ | 477,204 |  |  | $ | 149,749 |  |  | $ | — |  |  | $ | 626,953 |
| March 31, 2023
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents: |  |  |  |  |  |  |
Money market funds | $ | 338,746 |  |  | $ | — |  |  | $ | — |  |  | $ | 338,746 |
Total financial assets | $ | 338,746 |  |  | $ | — |  |  | $ | — |  |  | $ | 338,746 |
The Company recorded interest income from its cash, cash equivalents, and investments of $38.7 million, $11.1 million, $0.2 million for the years ended March 31, 2024, 2023, and 2022, respectively.

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- References No definition available. + Details
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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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