v3.25.2
Revenue recognition - Schedule of Disaggregation of Revenue (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Revenue Recognition and Deferred Revenue [Abstract]              
Reserve income $ 634,274 $ 423,263 $ 1,192,185 $ 782,902 $ 1,661,084 $ 1,430,606 $ 735,885
Subscription and services 17,784 5,000 36,495 6,001      
Transaction revenue 5,825 226 7,451 644      
Treasury Services         0 0 7,509
Transaction services         6,013 9,896 21,885
Integration Services         6,000 6,990 1,022
Other 195 1,541 520 5,577 3,156 2,974 5,751
Total other revenue 23,804 6,767 44,466 12,222 15,169 19,860 36,167
Total revenue and reserve income $ 658,078 $ 430,030 $ 1,236,651 $ 795,124 $ 1,676,253 $ 1,450,466 $ 772,052