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RESTRICTED CASH - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Restricted Cash and Cash Equivalents Items [Line Items]      
Maximum time period proceeds from LKE sale maintained with third party intermediary, days 180 days    
Proceeds from sale of real estate $ 0.0 $ 0.0  
Restricted cash held in escrow      
Restricted Cash and Cash Equivalents Items [Line Items]      
Restricted deposits $ 0.5   $ 3.0