Debt (Tables)

6 Months Ended

Jun. 30, 2019

Debt Disclosure [Abstract]

Summary of Components of Debt Obligations

The table below summarizes the components of the Company’s debt: 

	June 30, 2019			December 31, 2018
2023 Convertible Notes	$	316,250		$	316,250
Credit Facility	20,000			—
Total debt	336,250			316,250
Less: deferred debt discount	(39,753		)	(43,998		)
Less: deferred debt issue costs	(5,966		)	(6,681		)
Long-term debt, net (1)	$	290,531		$	265,571
Additional paid-in capital	$	35,306		$	35,306
Discount attribution to equity	(1,175		)	(1,175		)
Equity component, net	$	34,131		$	34,131

⁽¹⁾ 

There were no current portions of long-term debt as of June 30, 2019 and December 31, 2018.

Summary of Interest Expense

The table below summarizes the amount of interest cost recognized by us for both the contractual interest expense and amortization of the debt discount for the 2023 Convertible Notes:

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Contractual interest expense	$	1,581	$	—	$	3,162	$	—
Amortization of debt discount (1)	2,137		—		4,245		—
Total	$	3,718	$	—	$	7,407	$	—

⁽¹⁾ 

The effective interest rate of the liability component was 5.45% as of June 30, 2019.