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DEBT - Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 01, 2021	Jul. 31, 2020	Mar. 13, 2017
0.750% Convertible Senior Notes Due 2025
Debt Instrument [Line Items]
Stated interest rate (as a percent)	0.75%
Term Loan \| Term loan B facility due December 2026
Debt Instrument [Line Items]
Convertible senior notes, gross	$ 296,875	$ 375,000
Deferred financing costs	(3,919)	(4,443)
Discount on debt	(8,252)	(11,060)	$ (11,200)
Total debt, net of debt discount and deferred financing costs	284,704	359,497
Unsecured Debt
Debt Instrument [Line Items]
Total debt, net of debt discount and deferred financing costs	$ 689,471	1,049,230
Unsecured Debt \| 0.750% Convertible Senior Notes Due 2025
Debt Instrument [Line Items]
Stated interest rate (as a percent)	0.75%			0.75%
Convertible senior notes, gross	$ 402,500	402,500
Deferred financing costs	(6,374)	(7,155)
Discount on debt	0	(64,718)
Total debt, net of debt discount and deferred financing costs	$ 396,126	330,627
Unsecured Debt \| 2.375% Convertible Senior Notes Due 2022
Debt Instrument [Line Items]
Stated interest rate (as a percent)	2.375%			2.375%	2.375%
Convertible senior notes, gross	$ 0	160,000
Deferred financing costs	0	(223)
Discount on debt	0	(1,920)
Total debt, net of debt discount and deferred financing costs	$ 0	$ 157,857