Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Carrying Amounts and Fair Value of Long Term Debt (Details)

v3.20.2
Fair Value Measurements - Carrying Amounts and Fair Value of Long Term Debt (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long term debt, net $ 821,380   $ 773,062
Fair Value 450,333   658,215
Amount outstanding 821,380   773,062
Long term debt 879,448    
Paid-in-Kind interest converted to principal 10,682 $ 9,507  
Finance lease liability 18,400    
Discount 58,068   60,509
Term loan facility      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long term debt, net 485,405   485,166
Fair Value 317,948   454,168
Long term debt 504,680   506,037
Revolving Credit Facility      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long term debt, net 80,615   43,315
Fair Value 80,615   43,315
Long term debt 80,615   43,315
Convertible senior notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long term debt, net 71,302   71,126
Fair Value $ 5,775   37,125
Stated interest rate 2.75%    
Equity component of convertible debt $ 13,000    
Amount outstanding 82,500    
Long term debt 82,500   82,500
Other debt      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long term debt, net 22,937   23,683
Fair Value 22,937   23,685
Long term debt 22,937   23,685
Equipment Financing      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Other long term debt 3,400    
Second Lien Credit Agreement      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long term debt, net 161,121   149,772
Fair Value 23,058   $ 99,922
Long term debt 188,700    
Paid-in-Kind interest converted to principal 38,700    
Penny Warrants | Second Lien Credit Agreement      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity component of convertible debt 14,900    
Market Warrants | Second Lien Credit Agreement      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity component of convertible debt $ 9,300