Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Details)

v3.21.2
Related Party Transactions - Additional Information (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Mar. 31, 2020
Related Party Transaction [Line Items]        
Long-term portion of debt, net $ 601,723   $ 1,054,820  
Second Lien Credit Agreement        
Related Party Transaction [Line Items]        
Long-term portion of debt, net       $ 5,625
Principal Owner [Member] | Senior Notes [Member]        
Related Party Transaction [Line Items]        
Long-term portion of debt, net 5,625      
Principal Owner [Member] | General and Administrative [Member]        
Related Party Transaction [Line Items]        
Total fee and expenses paid by company $ 500 $ 250    
Principal Owner [Member] | General and Administrative [Member] | Investment Advisory, Management and Administrative Service [Member]        
Related Party Transaction [Line Items]        
Total fee and expenses paid by company     $ 1,000