v3.3.1.900
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2016
May. 05, 2016
Document and Entity Information    
Entity Registrant Name Corvus Pharmaceuticals, Inc.  
Entity Central Index Key 0001626971  
Document Type 10-Q  
Document Period End Date Mar. 31, 2016  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status No  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   20,406,856
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1