v3.25.4
COVER - USD ($)
12 Months Ended
Dec. 31, 2025
Feb. 09, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-36722    
Entity Registrant Name TRIUMPH FINANCIAL, INC.    
Entity Incorporation, State or Country Code TX    
Entity Tax Identification Number 20-0477066    
Entity Address, Address Line One 12700 Park Central Drive, Suite 1700    
Entity Address, City or Town Dallas    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 75251    
City Area Code 214    
Local Phone Number 365-6900    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 1,241,998,000
Entity Common Stock, Shares Outstanding   23,793,965  
Documents Incorporated by Reference
Portions of the Registrant’s Definitive Proxy Statement relating to the Annual Meeting of Stockholders, which will be filed within 120 days after December 31, 2025, are incorporated by reference into Part III of this Report.
   
Amendment Flag false    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001539638    
Common Stock      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, Par Value $0.01 Per Share    
Trading Symbol TFIN    
Security Exchange Name NYSE    
Series C Preferred Stock      
Document Information [Line Items]      
Title of 12(b) Security 7.125% Series C Fixed-Rate Non-Cumulative Perpetual Preferred Stock    
Trading Symbol TFIN PR    
Security Exchange Name NYSE