DERIVATIVES - Schedule of notional amount of derivative contracts outstanding (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Crypto asset borrowings with embedded derivatives \| Designated as fair value hedging instruments
Derivative [Line Items]
Notional amount of derivative contracts outstanding in native units	$ 80,999	$ 669,445
Crypto asset borrowings with embedded derivatives \| Not designated as hedging instruments
Derivative [Line Items]
Notional amount of derivative contracts outstanding in native units	70,462	0
Crypto asset futures \| Designated as fair value hedging instruments
Derivative [Line Items]
Notional amount of derivative contracts outstanding in native units	136,230	0
Crypto asset futures \| Not designated as hedging instruments
Derivative [Line Items]
Notional amount of derivative contracts outstanding in native units	12,462	0
Accounts receivable denominated in crypto assets \| Not designated as hedging instruments
Derivative [Line Items]
Notional amount of derivative contracts outstanding in native units	101,598	17,415
Other payables denominated in crypto assets \| Not designated as hedging instruments
Derivative [Line Items]
Notional amount of derivative contracts outstanding in native units	4,267	0
Crypto assets pledged as collateral \| Not designated as hedging instruments
Derivative [Line Items]
Notional amount of derivative contracts outstanding in native units	$ 13,103	$ 0