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License and Collaboration Agreement - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 06, 2026
Mar. 31, 2026
Mar. 31, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Collaboration revenue   $ 20,000,000 $ 0
Tenacia License Agreement      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Agreement description   On March 6, 2026, the Company entered into the Tenacia License Agreement. The arrangement provides Tenacia with the exclusive rights to develop and commercialize the Company’s product candidate, RAP-219, in mainland China, Hong Kong, Macau and Taiwan (each, a “Market” and collectively, the “Tenacia Territory”). The Company retains exclusive rights to RAP-219 outside the Tenacia Territory.  
Upfront payment received $ 20,000,000    
Upfront payment 20,000,000    
Transaction price of performance obligation 20,000,000    
Collaboration revenue   $ 20,000,000  
Deferred revenue   0  
Incremental costs for financial advisory fees   2,000,000  
Contract assets related to costs to obtain contract with customer   $ 0  
Tenacia License Agreement | Maximum      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Contingent sales based milestone payments and tiered royalty payments $ 308,000,000