XML 60 R49.htm IDEA: XBRL DOCUMENT v3.20.2
Debt - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
May 04, 2020
Jul. 06, 2015
Jun. 30, 2020
Jun. 30, 2020
May 03, 2020
Dec. 31, 2019
Debt Instrument [Line Items]            
Debt instrument, covenant description       The indenture governing the senior unsecured notes contains covenants that, among other things, limit the ability of the Company and its restricted subsidiaries to: (i) incur additional indebtedness, (ii) pay dividends on capital stock or redeem, repurchase or retire the Company’s capital stock or subordinated indebtedness, (iii) transfer or sell assets, (iv) make investments, (v) create certain liens, (vi) enter into agreements that restrict dividends or other payments to the Company from its restricted subsidiaries, (vii) consolidate, merge or transfer all or substantially all of the assets of the Company and its restricted subsidiaries, taken as a whole, (viii) engage in transactions with affiliates, and (ix) create unrestricted subsidiaries.    
Outstanding letters of credit     $ 29,200,000 $ 29,200,000    
Wrote off unamortized deferred financing costs     200,000      
Outstanding notes payable     $ 1,200,000 $ 1,200,000   $ 300,000
Revolving Credit Facility [Member]            
Debt Instrument [Line Items]            
Percentage of company's proved reserves and guarantees secured by mortgages     85.00% 85.00%    
Borrowing base $ 475,000,000   $ 475,000,000 $ 475,000,000 $ 500,000,000  
Outstanding borrowings     160,000,000.0 160,000,000.0    
Available capacity on the Revolving Credit Facility     $ 285,800,000 $ 285,800,000    
Applicable margin 0.25%          
Reduced borrowing base $ (25,000,000)          
Prepayment requirements on cash balances 40,000,000          
Wrote off unamortized deferred financing costs $ 200,000          
Revolving Credit Facility [Member] | Minimum [Member]            
Debt Instrument [Line Items]            
Commitment fees on unused portion of revolving credit facility       0.375%    
Revolving Credit Facility [Member] | Maximum [Member]            
Debt Instrument [Line Items]            
Commitment fees on unused portion of revolving credit facility       0.50%    
8.875% Senior Unsecured Notes Due 2023 [Member]            
Debt Instrument [Line Items]            
Issuance date   Jul. 06, 2015        
Debt instrument, outstanding principal balance amount   $ 550,000,000        
Debt instrument interest rate   8.875% 8.875% 8.875%    
Debt instrument maturity year   2023        
Notes issued percentage price   97.903%        
Debt instrument, proceeds   $ 525,500,000        
8.875% Senior Unsecured Notes Due 2023 [Member] | Level 2 [Member]            
Debt Instrument [Line Items]            
Fair value of senior unsecured notes     $ 403,500,000 $ 403,500,000    
Senior PIK Notes [Member]            
Debt Instrument [Line Items]            
Debt instrument repurchase amount   $ 510,700,000