Annual report pursuant to Section 13 and 15(d)

Subsequent Event (Details )

v2.4.1.9
Subsequent Event (Details ) (Bristol Myers Squibb Company [Member], Subsequent Event [Member], USD $)
In Millions, unless otherwise specified
1 Months Ended
Feb. 28, 2014
Subsequent Event [Line Items]  
Noncreditable and nonrefundable upfront payment by BMS $ 30.0rigl_NonCreditableAndNonRefundableUpfrontPayment
Minimum [Member]
 
Subsequent Event [Line Items]  
Contingent payments by BMS $ 309rigl_ContingentPaymentsUnderAgreement
/ dei_LegalEntityAxis
= rigl_BristolMyersSquibbCompanyMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember