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Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt

Schedule of carrying value of the convertible senior notes

		December 31,
		2017
		(in thousands)
Principal amount		$	345,000
Unamortized debt discount		(63,022		)
Unamortized transaction costs		(6,348		)
Net carrying value		$	275,630

Schedule of interest expense related to the convertible senior notes

		For the year ended December 31,
		2017
		(in thousands)
Cash Interest Expense
Coupon interest expense		$	8,901
Non-Cash Interest Expense
Amortization of debt discount		9,490
Amortization of transaction costs		956
Total Interest Expense		$	19,347

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

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- References

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+ Details

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- Definition

Tabular disclosure of information relating to interest expense.

+ References

No definition available.

+ Details

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