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NET INCOME (LOSS) PER SHARE - Schedule of Anti-Dilutive Shares (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Sep. 09, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common shares (in shares)	2,917	4,699
Convertible Senior Notes, 2.5% \| Convertible debt
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Interest rate	2.50%		2.50%
Convertible Senior Notes, 5.0% \| Convertible debt
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Interest rate	5.00%
Convertible debt \| Convertible Senior Notes, 2.5%
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common shares (in shares)	3	336
Convertible debt \| Convertible Senior Notes, 5.0%
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common shares (in shares)	0	1,708
Stock options, awards and equivalents
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potentially dilutive common shares (in shares)	2,914	2,655