Annual report pursuant to Section 13 and 15(d)

Stock-Based and Long-Term Compensation - Narrative (Details)

v3.20.4
Stock-Based and Long-Term Compensation - Narrative (Details) - USD ($)
2 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2020
Aug. 03, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation expense recognized   $ 0  
Performance-Based Restricted Stock Units (PRSU)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares)   1,317,750  
Time-Based Restricted Stock Units (TRSU)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 564,750    
Phantom Units | 2017 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares)   6,644  
Award vesting period   3 years  
Accrued estimated vested value   $ 83,000  
Phantom Units | 2017 Plan | Grant Date      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period, percentage   33.00%  
Phantom Units | 2017 Plan | Year One Following Grant Date      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period, percentage   33.00%  
Phantom Units | 2017 Plan | Year Two Following Grant Date      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period, percentage   33.00%  
Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares)     2,500,000