Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Notes Payable

Total convertible notes payable consisted of the following at (in thousands):

	March 31, 2016		December 31, 2015
Principal amount of Notes	$	325,000	$	—
Unamortized debt issuance costs		(9,729)		—
Total convertible notes payable	$	315,271	$	—

Interest Expense

Interest expense incurred in connection with the Notes consisted of the following: (in thousands):

	Three Months Ended March 31,
	2016		2015
Coupon interest	$	2,099	$	—
Amortization of debt issuance costs		237		—
Total interest expense on Notes	$	2,336	$	—