v3.25.4
General Information (Details)
 1 Months Ended 12 Months Ended
May 31, 2021
Dec. 31, 2025
Yarrow Biotechnology, Inc    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in associate 8.00%  
ProQR Therapeutics Holding B.V.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%
ProQR Therapeutics I B.V.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%
ProQR Therapeutics II B.V.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%
ProQR Therapeutics III B.V.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%
ProQR Therapeutics IV B.V.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%
ProQR Therapeutics V B.V.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%
ProQR Therapeutics VI B.V.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%
ProQR Therapeutics VII B.V.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%
ProQR Therapeutics VIII B.V.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%
ProQR Therapeutics IX B.V.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%
ProQR Therapeutics I Inc.    
Disclosure of subsidiaries [line items]    
Proportion of ownership interest in subsidiary   100.00%