Annual report pursuant to Section 13 and 15(d)

Debt - Summary of Company's Current Debt Portfolio (Details)

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Debt - Summary of Company's Current Debt Portfolio (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Sep. 30, 2019
Mar. 26, 2019
Dec. 31, 2018
Jan. 22, 2014
Jul. 30, 2013
Debt Instrument [Line Items]            
Total debt $ 177,937     $ 585,000    
Successor credit facility            
Debt Instrument [Line Items]            
Total principal 0          
Successor term loan, due March 2024            
Debt Instrument [Line Items]            
Total principal $ 177,937          
Fixed interest rate     13.00%      
Predecessor 6.75% senior notes, due July 2022            
Debt Instrument [Line Items]            
Total principal       360,000    
Fixed interest rate 6.75% 6.75%     6.75%  
Predecessor 7.50% senior notes, due August 2020            
Debt Instrument [Line Items]            
Total principal       225,000    
Fixed interest rate 7.50% 7.50%       7.50%
Predecessor 2015 secured credit agreement            
Debt Instrument [Line Items]            
Total principal       $ 0