DEBT (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Summary of Net Carrying Amount of Debt

The net carrying amounts of the components of the Term Loan Facility consist of the following (in thousands):

	September 30, 2020
Principal amount	$	1,004,700
Unamortized debt discount	(23,971)
Unamortized debt issuance costs	(22,237)
Net carrying value	$	958,492

The net carrying amounts of the components of the Convertible Notes consist of the following (in thousands):

	September 30, 2020		December 31, 2019
Principal amount	$	300,000	$	300,000
Unaccreted debt discount	(17,930)		(2,691)
Unamortized debt issuance costs	(5,869)		(4,135)
Net carrying value	$	276,201	$	293,174

Schedule of Interest Expense Recognized

The following table presents the interest expense recognized related to the Term Loan Facility (in thousands):

	Three Months Ended		Nine Months Ended
	September 30, 2020
Contractual interest expense	$	12,061	$	22,359
Accretion of debt discount	447		1,146
Amortization of debt issuance costs	425		1,088
Total	$	12,933	$	24,593

The following table presents the interest expense recognized related to the Convertible Notes (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2020		2019		2020		2019
Contractual interest expense	$	4,313	$	4,313	$	12,939	$	12,939
Accretion of debt discount	1,428		418		3,358		1,233
Amortization of debt issuance costs	414		642		1,670		1,897
Total	$	6,155	$	5,373	$	17,967	$	16,069