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Debt - Narrative (Details)
 1 Months Ended 3 Months Ended 6 Months Ended
Sep. 30, 2021
USD ($)
Aug. 31, 2020
USD ($)
d
$ / shares
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]              
Unamortized debt discount     $ 17,748,000   $ 17,748,000   $ 20,035,000
Gain (loss) on extinguishment of debt     0 $ (4,161,000) 0 $ (5,094,000)  
Long-term debt     269,535,000   269,535,000   233,230,000
Bond exchange early participant payment   $ 3,500,000          
Borrowings on credit facility         274,472,000 $ 0  
Outstanding letters of credit     14,800,000   14,800,000   19,100,000
2025 Notes              
Debt Instrument [Line Items]              
Face amount   $ 315,500,000          
Debt conversion, interest rate of debt   9.00%          
Long-term debt, gross   $ 282,600,000 256,970,000   256,970,000   256,970,000
Unamortized debt discount   32,900,000          
Gain (loss) on extinguishment of debt   28,700,000          
Long-term debt   $ 314,800,000          
Debt conversion, percent payable in cash   6.25%          
Debt conversion, percent payable in cash or additional notes   2.75%          
Debt instrument, mandatorily convertible, face amount     123,000,000   123,000,000    
Conversion ratio   0.037037          
Conversion price (in usd per share) | $ / shares   $ 27.00          
Threshold trading days | d   20          
Trading period conversion price (in dollars per share) | $ / shares   $ 30.00          
Debt repurchased face amount     58,000,000   58,000,000    
Debt repurchase amount     56,700,000   56,700,000    
2021 Notes              
Debt Instrument [Line Items]              
Debt conversion, interest rate of debt   6.25%          
Senior Notes              
Debt Instrument [Line Items]              
Unamortized debt discount     51,600,000   51,600,000    
Gain (loss) on extinguishment of debt         (5,100,000)    
Credit Facility              
Debt Instrument [Line Items]              
Line of credit facility, remaining borrowing capacity     $ 114,300,000   $ 114,300,000    
Percentage of borrowing base 50.00%            
Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Line of credit facility, maximum borrowing capacity $ 179,000,000            
Weighted average interest rate     4.43%   4.43%    
Deferred loan costs 1,600,000            
Credit Facility | Revolving Credit Facility | Canadian Subsidiaries              
Debt Instrument [Line Items]              
Line of credit facility, maximum borrowing capacity 20,000,000            
Credit Facility | Letter of Credit              
Debt Instrument [Line Items]              
Line of credit facility, maximum borrowing capacity 45,000,000            
Credit Facility | Letter of Credit | Canadian Subsidiaries              
Debt Instrument [Line Items]              
Line of credit facility, maximum borrowing capacity 3,000,000            
80% of Borrowing Base | Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Line of credit facility, current borrowing capacity 126,500,000            
Current borrowing capacity quarterly reduction $ 500,000            
Borrowing base percentage 80.00%            
2017 Credit Facility              
Debt Instrument [Line Items]              
Unused capacity commitment fee percentage 0.375%            
2017 Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Commitment fee percentage 0.50%            
2017 Credit Facility | Credit Facility              
Debt Instrument [Line Items]              
Long-term debt, gross     $ 33,573,000   $ 33,573,000   $ 0
Line of credit facility, current borrowing capacity     162,400,000   162,400,000    
Borrowings on credit facility         33,600,000    
2017 Credit Facility | Credit Facility | Letter of Credit              
Debt Instrument [Line Items]              
Line of credit outstanding     $ 14,500,000   $ 14,500,000    
12.5% of Borrowing Base | Credit Facility              
Debt Instrument [Line Items]              
Line of credit facility, maximum borrowing capacity $ 22,400,000            
Percentage of borrowing base 12.50%            
Interest Rate Floor | Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 0.00%            
London Interbank Offered Rate (LIBOR) | 2017 Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 1.00%            
Federal Funds Effective Swap Rate | 2017 Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 0.50%            
CDOR Rate | 2017 Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 1.00%            
Minimum | Credit Facility              
Debt Instrument [Line Items]              
Fixed charge coverage ratio 1.00            
Fixed charge coverage ratio consecutive days threshold 60 days            
Minimum | London Interbank Offered Rate (LIBOR) | Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 2.25%            
Minimum | Base Rate | Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 1.25%            
Minimum | Base Rate | 2017 Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 1.25%            
Minimum | CDOR Rate | Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 2.25%            
Maximum | London Interbank Offered Rate (LIBOR) | Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 2.75%            
Maximum | Base Rate | Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 1.75%            
Maximum | Base Rate | 2017 Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 1.75%            
Maximum | CDOR Rate | Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Variable interest spread 2.75%