v3.26.1
SHARE-BASED COMPENSATION - Fair value assumptions (Details) - Employee Stock Option - $ / shares
Oct. 28, 2025
Oct. 07, 2025
Jun. 10, 2025
Apr. 15, 2025
Feb. 12, 2025
Nov. 01, 2024
Sep. 01, 2024
Aug. 29, 2024
Jan. 03, 2024
Jul. 17, 2023
Apr. 18, 2022
SHARE-BASED COMPENSATION                      
Risk-free interest rate 3.99% 4.14% 4.40% 4.35% 4.62% 4.37% 3.91% 3.87% 3.91% 3.81% 2.85%
Expected volatility range 33.10% 33.24% 33.49% 34.04% 33.94% 35.58% 36.02% 36.06% 38.25% 39.55% 34.79%
Exercise multiple $ 2.8 $ 2.8 $ 2.2 $ 2.8 $ 2.8 $ 2.2 $ 2.8 $ 2.8 $ 2.8 $ 2.8 $ 2.8