Document and Entity Information
Aug. 19, 2019
Document And Entity Information [Abstract]  
Document Type 8-K
Amendment Flag false
Entity Registrant Name Sarepta Therapeutics, Inc.
Entity Central Index Key 0000873303
Document Period End Date Aug. 19, 2019
Entity Emerging Growth Company false
Entity File Number 001-14895
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 93-0797222
Entity Address, Address Line One 215 First Street
Entity Address, Address Line Two Suite 415
Entity Address, City or Town Cambridge
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02142
City Area Code 617
Local Phone Number 274-4000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of each class Common Stock, Par Value $0.0001 per share
Trading Symbol SRPT
Name of each exchange on which registered NASDAQ