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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Reconciliation of Deferred Revenue (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Change In Contract with Customer, Liability, Current [Roll Forward]      
Deferred revenue - beginning balance $ 0.6 $ 5.2 $ 32.7
Revenue recognized (0.5) (4.9) (40.5)
Prepayments 0.4 0.3 14.0
Divestitures 0.0 0.0 (1.0)
Deferred revenue - ending balance $ 0.5 $ 0.6 $ 5.2