v3.26.1
DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details)
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
shares
Dec. 11, 2025
subsidiary
$ / shares
shares
Class of Warrant or Right [Line Items]      
Wholly owned indirect subsidiaries | subsidiary     2
Termination fee | $   $ 1.5  
Professional Fees      
Class of Warrant or Right [Line Items]      
Legal and other advisory fees and retention bonus costs | $   3.0  
Labor and Related Expense      
Class of Warrant or Right [Line Items]      
Legal and other advisory fees and retention bonus costs | $   $ 1.2  
Katapult Common Stock      
Class of Warrant or Right [Line Items]      
Contributed to and exchanged for shares (in USD per share) | $ / shares     $ 0.0001
CCF Holdings LLC      
Class of Warrant or Right [Line Items]      
Exchange number of units (in share) | shares   11,011,927 11,011,927
Collectively converted solely into the right to receive an aggregate (in shares) | shares   58,516,558  
Warrants (in shares) | shares   244,146  
Aaron's Intermediate Holdco. Inc      
Class of Warrant or Right [Line Items]      
Exchange number of units (in share) | shares   943,580 943,580
Collectively converted solely into the right to receive an aggregate (in shares) | shares   11,369,237  
Merger Agreements      
Class of Warrant or Right [Line Items]      
Stockholders are expected to hold approximately   6.00%  
Termination fee | $ $ 1.5 $ 1.5  
Legal and other advisory fees and retention bonus costs | $ $ 1.7 $ 4.2  
Merger Agreements | CCF Holdings LLC      
Class of Warrant or Right [Line Items]      
Stockholders are expected to hold approximately   79.90%  
Merger Agreements | Aaron's Intermediate Holdco. Inc      
Class of Warrant or Right [Line Items]      
Stockholders are expected to hold approximately   14.10%