XML 56 R42.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Convertible Subordinated Notes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Debt Disclosure [Abstract] |
Convertible Subordinated Notes, Carrying Values of Liability and Equity Components | The carrying values of the liability and equity components of the Convertible Notes at December 31, 2015 and 2016 are reflected on our Consolidated Balance Sheets as follows (in thousands):
| December 31, 2015 |  | December 31, 2016
Long-term liabilities: |  |  |
Principal amount | $ | 143,750 |  |  | $ | 143,750 |
Unamortized discount of liability component | (25,754 | ) |  | (21,887 | )
Convertible Notes issuance costs, net of accumulated amortization of $858 and $1,359, respectively | (2,769 | ) |  | (2,268 | )
Carrying value of the liability component | $ | 115,227 |  |  | $ | 119,596 |
Equity component carrying value | $ | 17,973 |  |  | $ | 17,973 |
Schedule of Maturities of Long-term Debt | Beginning January 1, 2016, debt issuance costs are retroactively reflected as a direct deduction from the carrying value of the relat The aggregate maturities of our Convertible Notes for the five years subsequent to December 31, 2016 and thereafter are as follows (in thousands):
|  | Principal Maturity |  | Discount Amortization |  | Present Value
Years ending December 31, |  |  |  |  |  |
2017 |  | $ | — |  |  | $ | (4,328 | ) |  | $ | (4,328 | )
2018 |  | — |  |  | (4,844 | ) |  | (4,844 | )
2019 |  | — |  |  | (5,422 | ) |  | (5,422 | )
2020 |  | — |  |  | (6,068 | ) |  | (6,068 | )
2021 |  | 143,750 |  |  | (1,225 | ) |  | 142,525 |
|  | $ | 143,750 |  |  | $ | (21,887 | ) |  | $ | 121,863 |

X
- Definition Tabular disclosure of borrowings which can be exchanged for a specified number of another security at the option of the issuer or the holder. Disclosures include, but are not limited to, principal amount, amortized premium or discount, and amount of liability and equity components. + References No definition available. + Details
Name: | us-gaap_ConvertibleDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration