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FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES (Details) - USD ($)	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
United States Money Market Funds
Loss Contingencies [Line Items]
Deposits in domestic and foreign financial institutions, including cash investments in money market funds	$ 1,434,600,000	$ 1,544,534,000
US Treasury Securities
Loss Contingencies [Line Items]
Deposits in domestic and foreign financial institutions, including cash investments in money market funds	1,286,221,619	$ 719,884,396
SEC
Loss Contingencies [Line Items]
Aggregate penalty to be paid	2,500,000
Penalty paid	1,250,000
CFTC
Loss Contingencies [Line Items]
Aggregate penalty to be paid	2,500,000
Penalty paid	$ 1,250,000

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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