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Significant Accounting Policies - Additional Information (Detail 1) | Dec. 31, 2018
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Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2017-01-01 |
Significant Accounting Policies [Line Items] |
Revenue recognition performance obligation, expected time satisfaction period | 12 months

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- Definition Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045 + Details
Name: | us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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- Definition Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | wve_SignificantAccountingPoliciesLineItems
Namespace Prefix: | wve_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2017-01-01
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |