v3.25.2
Derivatives and embedded derivatives - Schedule of derivative instruments in statement of financial position, fair value (Detail) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Jan. 01, 2024
Derivative Instrument Detail [Abstract]      
Investments - embedded derivatives $ 3,559 $ 8,982 $ 3,521
Investments - derivatives $ 164 350 587
Obligation to return digital asset collateral — embedded derivatives [1]   $ 0 $ 1,392
[1] Represents $1.4 million of embedded derivatives in fair value hedging relationships as of December 31, 2023. The hedging relationships were de-designated upon the adoption of ASU 2023-08 on January 1, 2024.