v3.26.1
SUBSEQUENT EVENTS - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
Aug. 26, 2025
Feb. 24, 2025
Jun. 30, 2026
Mar. 31, 2026
Mar. 01, 2026
Feb. 06, 2026
Jan. 26, 2026
Dec. 31, 2025
Dec. 31, 2024
Apr. 30, 2024
Subsequent Event [Line Items]                    
Minimum bid price per share threshold   $ 1                
Common stock, par value (in dollars per share)     $ 0.0001         $ 0.0001 $ 0.0001 $ 0.0001
Thres hold number of consecutive business days   30 days                
Stock listing exchange minimum bid price compliance extension period 180 days                  
Subsequent Event [Member]                    
Subsequent Event [Line Items]                    
Common stock, par value (in dollars per share)         $ 0.0001 $ 0.0001 $ 0.0001      
Merger and reorganization concurrent financing         $ 505.5          
Merger and reorganization cash and cash equivalents at carrying value         $ 37.5          
Subsequent Event [Member] | PreMerger Equityholders of Candid [Member]                    
Subsequent Event [Line Items]                    
Merger and reorganization combined ownership percentage         57.55%          
Merger and reorganization consideration transferred expected value         $ 750.0          
Subsequent Event [Member] | PreMerger Equityholders of Rallybio [Member]                    
Subsequent Event [Line Items]                    
Merger and reorganization consideration transferred expected value         $ 47.5          
Subsequent Event [Member] | Candid [Member] | PreMerger Equityholders of Rallybio [Member]                    
Subsequent Event [Line Items]                    
Merger and reorganization combined ownership percentage       3.65% 3.65%          
Subsequent Event [Member] | Concurrent Financing [Member] | PreMerger Equityholders of Candid [Member]                    
Subsequent Event [Line Items]                    
Merger and reorganization combined ownership percentage         38.80%