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Related party transaction (Details) |  |  | 9 Months Ended
--- | --- | --- | ---
Sep. 20, 2017 $ / shares shares | Aug. 07, 2017 EUR (€) | Sep. 30, 2017 $ / shares shares
Related Party Transaction [Line Items] |  |  |
Base salary | € |  | € 200,000 |
Holiday allowance, as a percent |  | 8.00% |
Maximum bonus, as a percent |  | 40.00% |
Share options | 2014 Plan |  |  |
Related Party Transaction [Line Items] |  |  |
Granted (in shares) | shares | 150,000 |  | 949,350
Granted (in dollars per share) | $ / shares | $ 8.49 |  | $ 6.17

X
- Definition Represents the gross annual base salary employee is entitled to. + References No definition available. + Details
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Namespace Prefix: | qure_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the holiday allownace amount, as a percentage, for the employee, based upon the previous year's gross salary. + References No definition available. + Details
Name: | qure_HolidayAllowancePercentagePaidAnnually
Namespace Prefix: | qure_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the maximum bonus employee is eligible for based on annual gross salary. + References No definition available. + Details
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Namespace Prefix: | qure_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=qure_The2014PlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |