Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS - Schedule of investments, available for sales securities (Details)

v3.21.2
INVESTMENTS - Schedule of investments, available for sales securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Marketable Securities [Line Items]    
Marketable securities $ 57,357 $ 0
Adjusted Cost Basis    
Marketable Securities [Line Items]    
Marketable securities 57,357  
Unrealized Gain (Loss)    
Marketable Securities [Line Items]    
Marketable securities 0  
Recorded Basis    
Marketable Securities [Line Items]    
Marketable securities 57,357  
Fair Value, Inputs, Level 2    
Marketable Securities [Line Items]    
Marketable securities 57,357 $ 0
Fair Value, Inputs, Level 2 | Adjusted Cost Basis    
Marketable Securities [Line Items]    
Commercial paper 9,994  
Corporate notes and bonds 47,363  
Fair Value, Inputs, Level 2 | Unrealized Gain (Loss)    
Marketable Securities [Line Items]    
Commercial paper 0  
Corporate notes and bonds 0  
Fair Value, Inputs, Level 2 | Recorded Basis    
Marketable Securities [Line Items]    
Commercial paper 9,994  
Corporate notes and bonds $ 47,363