ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Liabilities subject to fair value measurement:
Employment agreement award	$ 28,772	$ 28,193
Total	28,772	28,193
Mezzanine equity subject to fair value measurement:
Redeemable noncontrolling interests	17,755	17,015
Fair Value, Inputs, Level 3 [Member]
Liabilities subject to fair value measurement:
Employment agreement award	28,772	28,193
Total	28,772	28,193
Mezzanine equity subject to fair value measurement:
Redeemable noncontrolling interests	$ 17,755	$ 17,015