v3.20.2

Long-Term Debt - Components of Long-Term Debt (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Instrument [Line Items] |  |
Unamortized discount and debt issuance costs | $ (12,993) | $ (14,834)
Total long-term debt, net of current portion | 632,007 | 632,406
Current portion of long-term debt | 2,240 | 0
Total long-term debt, including current portion | 634,247 | 632,406
Estimated fair value of total long-term debt outstanding | 632,100 | 673,800
Senior Notes | 9.25% Senior Secured Notes, due June 2023 |  |
Debt Instrument [Line Items] |  |
Total long-term debt, net of current portion, before debt issuance costs and discount | $ 645,000 | 645,000
Debt instrument, percentage rate | 9.25% |
Senior Notes | 6.50% Notes, due April 2021, net of current portion |  |
Debt Instrument [Line Items] |  |
Total long-term debt, net of current portion, before debt issuance costs and discount | $ 0 | $ 2,240
Current portion of long-term debt | $ 2,200 |
Debt instrument, percentage rate | 6.50% |

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