Long-Term Debt (Tables) |
9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2016 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of convertible senior notes | As of September 30, 2016, the carrying amount of the Notes on the balance sheet was $201.8 million, calculated as follows:
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| Schedule of maturities of convertible senior notes | The undiscounted interest and principal payments due in relation to the Notes from September 30, 2016 to the maturity of the Notes on May 1, 2020 are as follows:
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