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v3.22.2.2

Marketable Securities | 6 Months Ended
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Jul. 31, 2022
Investments, Debt and Equity Securities [Abstract] |
Marketable Securities | Marketable Securities The following is a summary of available-for-sale marketable securities, excluding those securities classified within cash and cash equivalents on the condensed consolidated balance sheets (in thousands):
| July 31, 2022
| Amortized Cost |  | Unrealized Gain |  | Unrealized Losses |  | Fair value
Corporate bonds | $ | 122,320 |  |  | $ | 3 |  |  | $ | (712) |  |  | $ | 121,611 |
U.S. government and agency securities | 160,043 |  |  | 7 |  |  | (444) |  |  | 159,606 |
Commercial paper | 18,385 |  |  | 3 |  |  | (68) |  |  | 18,320 |
Certificate of deposits | 87,402 |  |  | — |  |  | (293) |  |  | 87,109 |
Marketable securities | $ | 388,150 |  |  | $ | 13 |  |  | $ | (1,517) |  |  | $ | 386,646 |
| January 31, 2022
| Amortized Cost |  | Unrealized Gain |  | Unrealized Losses |  | Fair value
Corporate bonds | $ | 124,639 |  |  | $ | 1 |  |  | $ | (163) |  |  | $ | 124,477 |
U.S. government and agency securities | 37,725 |  |  | — |  |  | (35) |  |  | 37,690 |
Commercial paper | 48,818 |  |  | — |  |  | (2) |  |  | 48,816 |
Marketable securities | $ | 211,182 |  |  | $ | 1 |  |  | $ | (200) |  |  | $ | 210,983 |
As of July 31, 2022 and January 31, 2022, the maturities of available-for-sale marketable securities did not exceed 12 months.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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