Cover Page	3 Months Ended
	Mar. 31, 2023
Document Information [Line Items]
Document Type	6-K
Amendment Flag	false
Document Period End Date	Mar. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Entity Registrant Name	Ascendis Pharma A/S
Entity Central Index Key	0001612042
Current Fiscal Year End Date	--12-31