v3.26.1
Related-Party Transactions (Details)
 3 Months Ended
Sep. 30, 2025
Mar. 31, 2026
shares
Dec. 31, 2025
shares
Sep. 19, 2025
shares
Feb. 27, 2024
boardOfDirectorsNumber
Related Party Transaction [Line Items]          
Number of board of directors to approve certain actions | boardOfDirectorsNumber         5
M&F TTP Holdings Two LLC          
Related Party Transaction [Line Items]          
Number of board of directors right to designate members | boardOfDirectorsNumber         2
Private Placement Investors          
Related Party Transaction [Line Items]          
Number of board of directors right to designate members | boardOfDirectorsNumber         3
Class B Common Stock          
Related Party Transaction [Line Items]          
Common stock, shares outstanding (in shares)   (241) (241)    
Class A Common Stock          
Related Party Transaction [Line Items]          
Common stock, shares outstanding (in shares)   (3,938,654) (3,938,654)    
Class A Common Stock | Exchange of Redeemable Non controlling Interest to Class A Common Stock          
Related Party Transaction [Line Items]          
Stock conversion ratio   1      
MacAndrews & Forbes Incorporated | Related Party          
Related Party Transaction [Line Items]          
Ownership percentage of majority owner   37.80%      
Amount of cash savings percentage   85.00%      
MacAndrews & Forbes Incorporated | Related Party | Class B Common Stock          
Related Party Transaction [Line Items]          
Share held by related party (in shares)       577,108  
Common stock, shares outstanding (in shares)   (577,108)      
MacAndrews & Forbes Incorporated | Related Party | Class A Common Stock          
Related Party Transaction [Line Items]          
Share held by related party (in shares)   1,490,090      
MacAndrews & Forbes Incorporated | Related Party | Class A Common Stock | vTv Therapeutics Inc          
Related Party Transaction [Line Items]          
Ownership percentage of majority owner 100.00%