v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Class A Ordinary Shares Subject to Possible Redemption (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES          
Class A ordinary shares subject to possible redemption $ 249,652,000 $ 249,652,000 $ 249,652,000 $ 249,652,000 $ 249,652,000
Redeemable Class A | Cartesian Growth Corporation III          
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES          
Gross proceeds   276,000,000      
Class A ordinary shares issuance costs   (18,586,890)      
Remeasurement of carrying value to redemption value 2,491,718 29,096,766      
Class A ordinary shares subject to possible redemption $ 285,868,994 283,377,276      
Redeemable Class A | Public Warrants | Cartesian Growth Corporation III          
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES          
Proceeds allocated to public warrants   $ (3,132,600)