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Derivatives - Schedule of Balance Sheet Impact of Crypto Asset Options and Futures not Designated as Hedges and Measured at Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Derivatives, Fair Value [Line Items]    
Assets $ 684 $ 6,354
Liabilities (874) (7,620)
Crypto asset options    
Derivatives, Fair Value [Line Items]    
Gross Notional 88,418 229,546
Assets 684 6,354
Liabilities (685) (6,371)
Crypto asset futures    
Derivatives, Fair Value [Line Items]    
Gross Notional 29,825 11,671
Assets 0 0
Liabilities $ (189) $ (1,249)