v3.26.1
STOCK BASED COMPENSATION - Schedule of Fair Value of Market Based Performance Stock Units, Weighted Average Assumptions (Details) - Performance stock units - market based - $ / shares
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance period 3 years 3 years
Stock price (in dollars per share) $ 67.55 $ 54.38
Triumph Financial stock price volatility 42.48% 42.22%
Risk-free rate 3.84% 3.62%