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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
$ in Millions
Jan. 01, 2021
Mar. 31, 2021
Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Total lease liabilities   $ 15.8 $ 15.8
Operating lease, right of use asset   $ 9.7  
ASU 2016-02      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Total lease liabilities $ 16.2    
Operating lease, right of use asset 9.9    
Reclassification of deferred rent and lease liabilities $ 6.3