Debt (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Outstanding Convertible Debt and Related Deferred Financing Costs

The Company had outstanding convertible debt and related deferred financing costs on its consolidated balance sheet as follows (in thousands):

	As of
	June 30, 2015			December 31, 2014
Principal amount of the 2% Convertible Senior Notes	$	201,250		$	201,250
Unamortized debt discount	(29,030		)	(32,256		)
Long-term debt, net of discount	$	172,220		$	168,994
Deferred financing costs	$	4,411		$	4,974

Interest expense related to the 3.75% Notes (as defined below) and the 2% Notes was included in interest and other expense on the consolidated statements of operations as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Contractual coupon interest	$	1,006	$	1,273	$	2,012	$	2,621
Accretion of debt discount	1,625		2,258		3,226		4,883
Amortization of debt issuance costs	281		192		563		338
Loss on extinguishment of long-term debt	—		18,943		—		18,943
Total interest and other expense	$	2,912	$	22,666	$	5,801	$	26,785