v3.26.1
Share-based Compensation Plans - Summary of RSA activity (Details) - Restricted Stock Awards - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Unvested at the beginning of the period (in shares) 104,078 164,174 164,174  
Granted (in shares) 0 0 0 65,000
Vested (in shares) (15,024)   (60,096)  
Forfeited (in shares) 0   0  
Unvested the end of the period (in shares) 89,054   104,078 164,174
Weighted-Average Grant Date Fair Value        
Unvested at the beginning of the period (in dollars per share) $ 2.57 $ 2.56 $ 2.56  
Granted (in dollars per share) 0   0  
Vested (in dollars per share) 2.52   2.52  
Forfeited (in dollars per share) 0   0  
Unvested restricted common stock at the end of the period (in dollars per share) $ 2.59   $ 2.57 $ 2.56