v3.26.1
Stockholders' Equity (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2020
Mar. 31, 2026
Dec. 31, 2025
Apr. 04, 2025
Mar. 31, 2025
Sale of Stock [Line Items]            
Common stock, authorized (in shares)     200,000,000 200,000,000    
Common stock, par value (usd per share)     $ 0.00001 $ 0.00001    
Common stock, issued (in shares)     76,786,720 75,907,215    
Common stock, outstanding (in shares)     76,786,720 75,907,215    
Preferred stock, authorized (in shares)     10,000,000 10,000,000    
Preferred stock, par value (usd per share)     $ 0.00001 $ 0.00001    
Preferred stock, issued (in shares)     0 0    
Preferred stock, shares outstanding (in shares)     0 0    
Remaining unvested warrant shares (in shares)           3,170,834
Omnibus Agreement            
Sale of Stock [Line Items]            
Class of warrant common stock exercise price (usd per share) $ 0.01          
Vesting period 5 years          
Omnibus Agreement | Warrant shares            
Sale of Stock [Line Items]            
Warrant, number of shares issuable, common stock (in shares) 3,352,025          
Vesting period 5 years          
Remaining unvested warrant shares (in shares)         3,170,834  
Affiliated entity | The Lemonade Foundation | Lemonade, Inc.            
Sale of Stock [Line Items]            
Shares owned by foundation (in shares)     400,000 400,000    
The Lemonade Foundation | Affiliated entity            
Sale of Stock [Line Items]            
Contribution to the lemonade foundation (in shares)   500,000