XML 49 R36.htm IDEA: XBRL DOCUMENT
v3.19.2

DEBT (Table) | 6 Months Ended
--- | ---
Jun. 30, 2019
Debt Disclosure [Abstract] |
Summary of the gross carrying amount, unamortized debt cost and net carrying value of the liability component of the Notes | A summary of the gross carrying amount, unamortized debt cost, debt issuance costs and net carrying value of the liability component of the Notes are as follows (in thousands):
| June 30, 2019 |  | December 31, 2018
Gross carrying amount | $ | 300,000 |  |  | $ | 300,000 |
Unamortized debt discount | 37,877 |  |  | 43,805 |
Debt issuance costs | 4,541 |  |  | 5,252 |
Net carrying amount | $ | 257,582 |  |  | $ | 250,943 |

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