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Subsequent events (Details) - 6 months ended Jun. 30, 2021 € in Millions, $ in Millions	USD ($)	EUR (€)
Subsequent events
Payments to Acquire Businesses, Gross	$ 46.3
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Percentage	25.00%
Definitive Transaction Agreement, Development Milestone, Phase I and II	$ 43.7
Definitive Transaction Agreement, Development Milestone, Phase III | €		€ 160.0

X

- Definition

Percentage of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Definition

Amount of development milestones payable through Phase I/II.

+ References

No definition available.

+ Details

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Namespace Prefix:	qure_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of development milestones payable through Phase III.

+ References

No definition available.

+ Details

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Namespace Prefix:	qure_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

+ Details

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X

- References

No definition available.

+ Details

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