Financing Arrangements (Tables)

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Summary of carrying values and coupon rates on financing arrangements

The carrying values and the fixed contractual coupon rates of the Company's financing arrangements as of September 30, 2016 and December 31, 2015 were as follows (in thousands):

	September 30, 2016			December 31, 2015
2019 Convertible Senior Notes
Principal amount outstanding	$	245,000		$	245,000
Unamortized discount	(34,885		)	(43,015		)
Total notes payable	$	210,115		$	201,985