Post-effective amendment to a registration statement that is not immediately effective upon filing

DEBT - Narrative (Details)

v3.21.1
DEBT - Narrative (Details)
Sep. 30, 2020
USD ($)
quarter
Jul. 01, 2020
Jun. 30, 2020
Jun. 25, 2020
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Debt Instrument [Line Items]            
Maximum borrowing capacity       $ 50,000,000    
Secured Debt            
Debt Instrument [Line Items]            
Interest rate on conversion (as a percent)   4.50%        
Secured Debt | Senior Secured First Lien Term Loan Facility            
Debt Instrument [Line Items]            
Face amount       $ 140,000,000    
Term of debt       5 years    
Revolving Credit Facility | First Lien Revolving Credit Facility            
Debt Instrument [Line Items]            
Term of debt       5 years    
Maximum borrowing capacity       $ 50,000,000    
Commitment fee (as a percent)       0.40%    
Commitment fee upon achievement of certain leverage ratios (as a percent)       0.30%    
Outstanding letter of credit         $ 2,100,000 $ 2,100,000
Issuance costs capitalized           1,900,000
Issuance costs, commitment period (in years)     5 years      
Borrowings           $ 47,900,000
LIBOR | Revolving Credit Facility | First Lien Revolving Credit Facility            
Debt Instrument [Line Items]            
Floor rate (as a percent)       1.00%    
LIBOR | Minimum | Revolving Credit Facility | First Lien Revolving Credit Facility            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent)       3.00%    
LIBOR | Maximum | Revolving Credit Facility | First Lien Revolving Credit Facility            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent)       3.75%    
Base Rate | Revolving Credit Facility | First Lien Revolving Credit Facility            
Debt Instrument [Line Items]            
Floor rate (as a percent)       2.00%    
Base Rate | Minimum | Revolving Credit Facility | First Lien Revolving Credit Facility            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent)       2.00%    
Base Rate | Maximum | Revolving Credit Facility | First Lien Revolving Credit Facility            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent)       2.75%    
First 12 fiscal quarters | Secured Debt            
Debt Instrument [Line Items]            
Number of fiscal quarters for repayment | quarter 12          
Percentage of beginning principal amount repaid 1.25%          
Periodic repayment amount $ 1,750,000          
Following seven fiscal quarters            
Debt Instrument [Line Items]            
Periodic repayment amount $ 3,500,000          
Following seven fiscal quarters | Secured Debt            
Debt Instrument [Line Items]            
Number of fiscal quarters for repayment | quarter 7          
Percentage of beginning principal amount repaid 2.50%