Debt (Tables)

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Summary of Debt Outstanding

Term loan consists of the following (in thousands):

	September 30, 2019								December 31, 2018
	Principal Amount		Debt Discount/ Issuance Costs*			Net Amount			Principal Amount		Debt Discount/ Issuance Costs*		Net Amount
Term Loan	$	134,801	$	(13,248	)	$	121,553	**	$	—	$	—	$	—

* The term loan was valued using the discounted cash flow method to determine the implied debt discount. The debt discount and issuance costs are being amortized over the life of the term loan.

** The amount presented excludes accrued, but unpaid, payment-in-kind interest of $0.5 million.

Convertible senior notes consist of the following (in thousands):

	September 30, 2019						December 31, 2018
	Principal/ Fair Value Amount		Debt Issuance Costs		Net Amount		Principal/ Fair Value Amount		Debt Issuance Costs		Net Amount
4.875% convertible senior notes due 2020	$	1,905	$	—	$	1,905	$	113,000	$	1,182	$	111,818
3.25% convertible senior notes due 2020 *	—		—		—		27,974		—		27,974
3.25% convertible senior notes due 2023 **	48,635		—		48,635		—		—		—
Total convertible senior notes	$	50,540	$	—	$	50,540	$	140,974	$	1,182	$	139,792

* The amount presented for the 3.25% convertible senior notes due 2020 within the table represents the fair value as of September 30, 2019 and December 31, 2018 (see Note 16 - Fair Value Measurements). The notes were extinguished on August 9, 2019 in connection with the Recapitalization transaction (defined below). The principal amount of these notes was nil as of September 30, 2019 and $29.6 million as of December 31, 2018.

** The amount presented for the 3.25% convertible senior notes due 2023 within the table represents the fair value as of September 30, 2019 and December 31, 2018 (see Note 16 - Fair Value Measurements). The principal amount of these notes totaled $37.6 million as of September 30, 2019 and nil as of December 31, 2018. Also, the amount presented excludes accrued, but unpaid, payment-in-kind interest of $0.1 million.