Derivatives - Summary of Gains and (Losses) on Derivative Contracts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Principal transactions
Gain (loss), net on derivative contract	$ 19,210	$ 11,266	$ 10,871
FX/commodities options
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss), net on derivative contract	331	225	293
FX swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss), net on derivative contract	2,466	182	381
Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss), net on derivative contract	25	0	0
Futures
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss), net on derivative contract	16,388	10,902	10,100
Forwards
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss), net on derivative contract	$ 0	$ (43)	$ 97