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Business Combination - Additional Information (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 01, 2019 USD ($) | Apr. 30, 2020 USD ($) purchaseOrder | Jun. 30, 2020 USD ($) | Mar. 31, 2021 USD ($) | Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |
Compensation arrangements, vesting period |  |  |  | 3 years |  |
Contingent consideration term, number of bona fide and valid purchase order | purchaseOrder |  | 1 |  |  |  |
Net change in contingent consideration |  |  |  | $ 0 | $ (3,783) | $ 0
Hedvig, Inc. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Purchase consideration | $ 163,205 |  |  |  |  |
Cash paid | 157,589 |  |  |  |  |
Fair value of restricted stock units included in purchase price | 1,616 |  |  |  |  |
Fair value of contingent consideration | 4,000 |  |  |  | 217 |
Cash payments to shareholders following the date of acquisition | $ 14,100 |  |  |  |  |
Cash payments to shareholders following the date of acquisition, period | 30 months |  |  |  |  |
Contingent consideration (up to) | $ 8,000 |  |  | $ 8,000 |  |
Net change in contingent consideration |  | $ 217 |  |  | $ 3,783 |
Restricted cash released |  |  | $ 7,783 |  |  |
Hedvig, Inc. | Restricted stock units |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Compensation arrangements, vesting period | 3 years |  |  |  |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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