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Debt - Convertible Senior Note (Details) $ / shares in Units, $ in Thousands |  | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 27, 2016 USD ($) shares $ / shares | Sep. 30, 2016 USD ($) day | Sep. 30, 2015 USD ($) | Jul. 14, 2016 USD ($) | Jun. 15, 2016 USD ($) | Dec. 31, 2015 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from borrowings |  | $ 301,782 | $ 90,900 |  |  |
Deferred finance costs, net |  | (32,175) |  |  |  | $ (4,907)
Principal amount of long-term debt |  | 412,961 |  |  |  | 170,119
Term loan |  | 380,786 |  |  |  | 165,212
5% Convertible Senior Notes due 2021 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of long-term debt |  |  |  |  |  | 0
Tranche B Term Loan |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of long-term debt |  | $ 58,613 |  |  |  | $ 60,119
Convertible Debt | 5% Convertible Senior Notes due 2021 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Aggregate principal amount |  |  |  | $ 115,000 |  |
Additional principal amount | $ 15,000 |  |  |  |  |
Proceeds from borrowings | $ 111,600 |  |  |  |  |
Debt instrument, interest rate | 5.00% |  |  |  |  |
Conversion ratio | 0.0555556 |  |  |  |  |
Number of equity instruments (in shares) | shares | 6,388,894 |  |  |  |  |
Conversion price (in dollars per share) | $ / shares | $ 18 |  |  |  |  |
Threshold percentage of stock price trigger | 140.00% |  |  |  |  |
Threshold trading days | day |  | 20 |  |  |  |
Threshold consecutive trading days |  | 30 days |  |  |  |
Redemption price, percentage | 100.00% |  |  |  |  |
Long-term debt, fair value | $ 89,300 |  |  |  |  |
Carrying amount of equity component | 22,200 |  |  |  |  |
Principal amount of long-term debt |  | $ 115,000 |  |  |  |
Unamortized discount (premium) and debt issuance costs, net |  | 25,000 |  |  |  |
Convertible Debt | 5% Convertible Senior Notes due 2021 | Long-term Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Deferred finance costs, net | (600) |  |  |  |  |
Term Loan | Tranche B Term Loan |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Repayments of debt | $ 5,000 |  |  |  |  |
Deferred finance costs, net |  |  |  |  | $ (2,500) |
Reported Value Measurement [Member] | 5% Convertible Senior Notes due 2021 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term debt, fair value |  | $ 90,011 |  |  |  |

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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870 + Details
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