Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT AND WARRANT LIABILITY - Goldman Sachs Warrant Narrative (Details)

v3.21.1
LONG-TERM DEBT AND WARRANT LIABILITY - Goldman Sachs Warrant Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jul. 25, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Jul. 24, 2018
Jan. 11, 2018
Jan. 10, 2018
Dec. 31, 2017
Jan. 02, 2017
Debt Instrument [Line Items]                  
Warrants, exercise price (in dollars per share)   $ 10.30              
Cash paid for cancellation of warrants   $ 0 $ 0 $ 12,701          
GS Warrants                  
Debt Instrument [Line Items]                  
Warrant liability         $ 12,800     $ 8,700  
Cash paid for cancellation of warrants $ 12,700                
Common Class A | GS Warrants                  
Debt Instrument [Line Items]                  
Warrants, percentage of outstanding stock available for purchase           2.20% 1.80%   1.00%
Warrants, term           7 years      
Warrants, exercise price (in dollars per share)           $ 0