EQUITY SECURITIES PORTFOLIO INVESTMENT (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Debt and Equity Securities, FV-NI [Line Items]
Change in fair value of investment	$ 87,527	$ 176,173
Conversion of equity securities without readily determinable fair value to equity securities of public companies	(102,067)	0
Net realized and unrealized gain (loss) on investments	839	13,661
Trading Securites - LF Fund Public Securities
Debt and Equity Securities, FV-NI [Line Items]
Change in fair value of investment	188,875	72,104
Realized investment gains (losses)	115,172	(3,930)
Equity Securities - LF Fund Private Securities
Debt and Equity Securities, FV-NI [Line Items]
Change in fair value of investment	0	103,751
Equity Securities Forward Contract
Debt and Equity Securities, FV-NI [Line Items]
Realized investment gains (losses)	0	2,845
Trading Securites Lf Fund Securities
Debt and Equity Securities, FV-NI [Line Items]
Net realized and unrealized gain (loss) on investments	$ 201,980	$ 174,770

Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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