CONVERTIBLE NOTES - Schedule of Convertible Notes (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Feb. 29, 2020	Mar. 31, 2019	Jun. 30, 2018
2028 Convertible notes
Long-term debt
Coupon interest rate	0.375%	0.375%	0.375%
Principal Amount	$ 1,150,000	$ 1,150,000
Unamortized Debt Discount and Issuance Costs	(15,775)	(18,826)
Net Carrying Amount	1,134,225	1,131,174
2028 Convertible notes | Significant Other Observable Inputs (Level 2) | Fair Value
Long-term debt
Amount	$ 908,500	$ 1,139,650
2027 Convertible notes
Long-term debt
Coupon interest rate	0.375%	0.375%		0.375%
Principal Amount	$ 747,500	$ 747,500
Unamortized Debt Discount and Issuance Costs	(9,445)	(11,691)
Net Carrying Amount	738,055	735,809
2027 Convertible notes | Significant Other Observable Inputs (Level 2) | Fair Value
Long-term debt
Amount	$ 612,950	$ 771,794
2025 Convertible notes
Long-term debt
Coupon interest rate	1.00%	1.00%			1.00%
Principal Amount	$ 315,005	$ 315,005
Unamortized Debt Discount and Issuance Costs	(1,179)	(1,756)
Net Carrying Amount	313,826	313,249
2025 Convertible notes | Significant Other Observable Inputs (Level 2) | Fair Value
Long-term debt
Amount	$ 326,808	$ 415,473