Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Second Lien Notes and Warrants) (Details)

v3.20.2
Borrowings (Second Lien Notes and Warrants) (Details) - USD ($)
Sep. 30, 2020
May 07, 2020
Debt Instrument, Redemption [Line Items]    
Warrants, term 5 years  
Warrant, exercise price (in dollars per share) $ 5.60  
Consideration $ 294,000,000.0  
Minimum    
Debt Instrument, Redemption [Line Items]    
Outstanding principal amount of issuance $ 100,000,000.0  
Common Stock    
Debt Instrument, Redemption [Line Items]    
Number of securities called by warrants (in warrants) 7,300,000  
9.00% Second Lien Senior Secured Notes due 2025    
Debt Instrument, Redemption [Line Items]    
Debt instrument aggregate principal amount $ 300,000,000.0 $ 400,000,000.0
Debt instrument, interest rate, stated (as a percent) 9.00%  
New Credit Facility    
Debt Instrument, Redemption [Line Items]    
Extinguishment of debt $ 288,600,000  
Second Lien Notes    
Debt Instrument, Redemption [Line Items]    
Warrants, term 91 days  
Number of days to closing date of equity offerings 180 days  
Second Lien Notes | Prior to October 1, 2021, a Redemption of up to 35% of the Principal    
Debt Instrument, Redemption [Line Items]    
Debt instrument redemption price percent (as a percent) 109.00%  
Second Lien Notes | Prior to July 1, 2021, a Redemption of All or Part of the Principal    
Debt Instrument, Redemption [Line Items]    
Debt instrument redemption price percent (as a percent) 100.00%  
Second Lien Notes | On or After October 1, 2022, but Before October 1, 2023    
Debt Instrument, Redemption [Line Items]    
Debt instrument redemption price percent (as a percent) 105.00%  
Second Lien Notes | On or After October 1, 2023, but Before October 1, 2024    
Debt Instrument, Redemption [Line Items]    
Debt instrument redemption price percent (as a percent) 102.50%  
Second Lien Notes | Upon the occurrence of certain change of control events    
Debt Instrument, Redemption [Line Items]    
Debt instrument redemption price percent (as a percent) 100.00%  
Second Lien Notes | If the Company is Required to Repurchase    
Debt Instrument, Redemption [Line Items]    
Debt instrument redemption price percent (as a percent) 101.00%  
Second Lien Notes | Minimum    
Debt Instrument, Redemption [Line Items]    
Outstanding principal amount of issuance $ 100,000,000.0  
Second Lien Notes | Maximum | Prior to October 1, 2021, a Redemption of up to 35% of the Principal    
Debt Instrument, Redemption [Line Items]    
Percentage of principal amount redeemed 35.00%  
Second Lien Notes | Maximum | Prior to July 1, 2021, a Redemption of All or Part of the Principal    
Debt Instrument, Redemption [Line Items]    
Redemption principal amount percentage (as a percent) 65.00%