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Description of Business - Additional Information (Details) - Metacrine's FXR Program [Member] - Compounds
 9 Months Ended 12 Months Ended
Dec. 31, 2023
Mar. 31, 2023
Description Of Business And Summary Of Significant Accounting Policies [Line Items]    
Number of clinically tested compounds 2  
Number of discovery or preclinical compounds 2,000  
Metacrine, Inc. [Member]    
Description Of Business And Summary Of Significant Accounting Policies [Line Items]    
Number of clinically tested compounds   2
Number of discovery or preclinical compounds   2,000