Annual report pursuant to Section 13 and 15(d)

DOCUMENT AND ENTITY INFORMATION

v3.24.0.1
DOCUMENT AND ENTITY INFORMATION - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Feb. 28, 2024
Jun. 30, 2023
DOCUMENT AND ENTITY INFORMATION      
Document Type 10-K    
Document Annual Report true    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Document Period End Date Dec. 31, 2023    
Document Transition Report false    
Entity File Number 000-29889    
Entity Registrant Name RIGEL PHARMACEUTICALS INC    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 94-3248524    
Entity Address, Address Line One 611 Gateway Boulevard, Suite 900,    
Entity Address, City or Town South San Francisco    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94080    
City Area Code 650    
Local Phone Number 624-1100    
Title of 12(b) Security Common Stock, par value $.001 per share    
Trading Symbol RIGL    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Central Index Key 0001034842    
Amendment Flag false    
Entity Public Float     $ 222.7
Entity Common Stock, Shares Outstanding   175,377,812  
Document Fiscal Year Focus 2023    
Auditor Name Ernst & Young LLP    
Auditor Firm ID 42    
Auditor Location San Francisco, California