ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair value measured on recurring basis (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($)
Employment Agreement Award [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	$ 28,193
Change in fair value	579
Balance, end of period	28,772
The amount of total (losses)/income for the period included in earnings attributable to the change in unrealized losses/income relating to assets and liabilities still held at the reporting date	(579)
Redeemable Noncontrolling Interest [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	17,015
Net income attributable to redeemable noncontrolling interests	701
Change in fair value	39
Balance, end of period	$ 17,755