XML 47 R34.htm IDEA: XBRL DOCUMENT
v3.20.2

Business and Nature of Operations - Additional Information (Details) | 9 Months Ended
--- | ---
Sep. 30, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Date of incorporation | 2004-04
Date of operating commencement | 2016-02

X
- Definition Entity incorporation date of incorporation month and year. + References No definition available. + Details
Name: | urgn_EntityIncorporationDateOfIncorporationMonthAndYear
Namespace Prefix: | urgn_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operations commenced date month and year. + References No definition available. + Details
Name: | urgn_OperationsCommencedDateMonthAndYear
Namespace Prefix: | urgn_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration