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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

Name:	qure_BaseSalary
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

Name:	qure_MaximumBonusPercentage
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

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=qure_EmployeeConsultantsAndDirectorsStockOptionsMember
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: