v3.25.2
Cover
Jun. 13, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 13, 2025
Entity File Number 001-35518
Entity Registrant Name Supernus Pharmaceuticals, Inc.
Entity Central Index Key 0001356576
Entity Tax Identification Number 20-2590184
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 9715 Key West Ave
Entity Address, City or Town Rockville
Entity Address, State or Province MD
Entity Address, Postal Zip Code 20850
City Area Code 301
Local Phone Number 838-2500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer true
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 par value per share
Trading Symbol SUPN
Security Exchange Name NASDAQ
Entity Emerging Growth Company false