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

RELATED PARTY TRANSACTIONS - Narrative (Details)

v3.21.1
RELATED PARTY TRANSACTIONS - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2018
Mar. 31, 2021
Mar. 31, 2020
Jun. 25, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Related Party Transaction [Line Items]              
Maximum outstanding borrowings       $ 50,000,000      
Outstanding borrowings         $ 0 $ 8,400,000  
Wesco US LLC              
Related Party Transaction [Line Items]              
Maximum outstanding borrowings $ 9,000,000.0            
Remaining balance forgiven       3,400,000      
Outstanding borrowings     $ 6,900,000     $ 8,400,000  
Interest rate (as a percent)     5.22%     5.95%  
Interest expense     $ 100,000 200,000   $ 500,000 $ 300,000
Wesco US LLC | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Maximum outstanding borrowings $ 9,000,000.0            
Remaining balance forgiven       $ 3,400,000      
Wesco US LLC | LIBOR              
Related Party Transaction [Line Items]              
Basis spread on variable rate (as a percent) 4.00%            
Wesco US LLC | LIBOR | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Basis spread on variable rate (as a percent) 4.00%            
Watermill              
Related Party Transaction [Line Items]              
Due to related parties   $ 900,000     900,000    
Related party expenses   $ 200,000     400,000    
Watermill | Swerve              
Related Party Transaction [Line Items]              
Related party expenses         $ 800,000