XML 12 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Document and Entity Information
6 Months Ended
Jun. 30, 2019
Document and entity information [abstract]  
Document Type 6-K
Amendment Flag false
Document Period End Date Jun. 30, 2019
Document Fiscal Year Focus 2019
Document Fiscal Period Focus Q2
Entity Registrant Name Ascendis Pharma A/S
Entity Central Index Key 0001612042
Current Fiscal Year End Date --12-31