Annual report pursuant to Section 13 and 15(d)

FAIR VALUE OF FINANCIAL INSTRUMENTS (Details)

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Deposits and other assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate cap $ 0  
Deposits and other assets | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate cap 0 $ 0
Deposits and other assets | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate cap 0 0
Deposits and other assets | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate cap 0 0
Common stock warrant liability    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Common stock warrants 2,653 2,055
Common stock warrant liability | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Common stock warrants 0  
Common stock warrant liability | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Common stock warrants 0  
Common stock warrant liability | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Common stock warrants $ 2,653 $ 2,055