Convertible Notes (Tables)

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Schedule of convertible and non-recourse notes activity

		Principal Balance Outstanding		Carrying Value
		September 30,		September 30,		December 31,
Description	Maturity Date	2014		2014		2013
(In thousands)
Convertible Notes
Series 2012 Notes	February 15, 2015	$	48,311	$	47,564	$	172,630
May 2015 Notes	May 1, 2015	$	155,250	152,105		148,253
February 2018 Notes	February 1, 2018	$	300,000	274,512		—
Term Loan	October 28, 2014	$	18,750	18,720		74,397
Total				$	492,901	$	395,280

Schedule of carrying value and unamortized discount on Series 2012 Notes

The principal amount, carrying value and unamortized discount of our Series 2012 Notes were as follows:

(In thousands)	September 30, 2014			December 31, 2013
Principal amount of the Series 2012 Notes	$	48,311		$	180,000
Unamortized discount of liability component	(747		)	(7,370		)
Total	$	47,564		$	172,630

Schedule of interest expense on Series 2012 Notes

Interest expense for our Series 2012 Notes on our Condensed Consolidated Statements of Income was as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In thousands)	2014		2013		2014		2013
Contractual coupon interest	$	347	$	1,290	$	1,455	$	3,864
Amortization of debt issuance costs	64		289		996		860
Amortization of debt discount	404		1,538		1,783		4,538
Total	$	815	$	3,117	$	4,234	$	9,262

Schedule of carrying value and unamortized discount on May 2015 Notes

The carrying value and unamortized discount of our May 2015 Notes were as follows:

(In thousands)	September 30, 2014			December 31, 2013
Principal amount of the May 2015 Notes	$	155,250		$	155,250
Unamortized discount of liability component	(3,145		)	(6,997		)
Total	$	152,105		$	148,253

Schedule of interest expense for May 2015 Notes

Interest expense for our May 2015 Notes on our Condensed Consolidated Statements of Income was as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In thousands)	2014		2013		2014		2013
Contractual coupon interest	$	1,455	$	1,456	$	4,366	$	4,366
Amortization of debt issuance costs	320		309		952		920
Amortization of debt discount	1,308		1,215		3,852		3,582
Total	$	3,083	$	2,980	$	9,170	$	8,868

Schedule of carrying value and unamortized discount on February 2018 Notes [Table Text Block]

The carrying value and unamortized discount of our February 2018 Notes were as follows:

(In thousands)	September 30, 2014
Principal amount of the February 2018 Notes	$	300,000
Unamortized discount of liability component	(25,488		)
Total	$	274,512

Schedule of interest expense for February 2018 Notes [Table Text Block]

Interest expense for our February 2018 Notes on our Condensed Consolidated Statements of Income was as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In thousands)	2014		2013		2014		2013
Contractual coupon interest	$	3,000	$	—	$	7,633	$	—
Amortization of debt issuance costs	536		—		1,358		—
Amortization of debt discount	1,688		—		4,238		—
Total	$	5,224	$	—	$	13,229	$	—