DEBT (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The carrying value of the Company’s outstanding debt is summarized as follows (amounts in thousands):

	December 31,
	2021		2020
Term loan B facility maturing December 2026	$	359,497	$	—
0.750% Convertible senior notes due August 2025	330,627		313,030
3.375% Convertible senior notes due May 2024	201,249		—
2.375% Convertible senior notes due April 2022	157,857		149,648
Total	$	1,049,230	$	462,678

Schedule of Composition of the Company's Debt and Financing Obligations

The total debt composition of the Term Loan is as follows (in thousands):

	December 31,
	2021
Term Loan maturing December 2026	$	375,000
Deferred financing costs	(4,443)
Discount on debt	(11,060)
Total debt, net of debt discount and deferred financing costs	$	359,497

The total debt composition of the 2025 Notes is as follows (in thousands):

	December 31,
	2021		2020
0.750% Convertible senior notes due August 2025	$	402,500	$	402,500
Deferred financing costs	(7,155)		(8,940)
Discount on debt	(64,718)		(80,530)
Total debt, net of debt discount and deferred financing costs	$	330,627	$	313,030

The total debt composition of the 2022 Notes is as follows (in thousands):

	December 31,
	2021		2020
2.375% Convertible senior notes due April 2022	$	160,000	$	160,000
Deferred financing costs	(223)		(1,089)
Discount on debt	(1,920)		(9,263)
Total debt, net of debt discount and deferred financing costs	$	157,857	$	149,648

Schedule of Total Interest Expense Recognized Related to the Notes

The following table sets forth the total interest expense recognized in the periods presented (dollar amounts in thousands):

	Year Ended December 31,
	2021			2020			2019
Contractual and other interest expense	$	9,759		$	7,650		$	8,195
Amortization of debt issuance costs	2,754			2,156			1,707
Amortization of debt discount	23,152			18,254			13,746
Capitalized interest (Note 7)	(3,915)			(2,389)			(20)
Total	$	31,750		$	25,671		$	23,628
Effective interest rate on total debt	6.66		%	7.15		%	7.81		%