XML 36 R25.htm IDEA: XBRL DOCUMENT
v3.21.1

Summary of Significant Accounting Policies (Tables) | 3 Months Ended
--- | ---
Apr. 30, 2021
Accounting Policies [Abstract] |
Accounting Standards Update and Change in Accounting Principle |
|  | As of January 31, 2021 |  | ASU 2020-06 Adoption Adjustment |  | As of February 1, 2021
|  | (in thousands)
Liabilities |  |  |  |  |  |
Outstanding principal |  | $ | 287,500 |  |  | $ | — |  |  | $ | 287,500 |
Unamortized debt discount and issuance costs |  | (69,972) |  |  | 61,736 |  |  | (8,236) |
Net carrying amount |  | $ | 217,528 |  |  | $ | 61,736 |  |  | $ | 279,264 |
Equity |  |  |  |  |  |
Additional paid-in-capital |  | $ | (614,494) |  |  | $ | 68,478 |  |  | $ | (546,016) |
Accumulated deficit |  | (248,110) |  |  | 6,742 |  |  | (241,368) |

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=116846552&loc=d3e765-108305 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=116846552&loc=d3e725-108305 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794 + Details
Name: | us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration