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EARNINGS PER SHARE - Weighted Average Common Shares Outstanding Excluded from Earnings per Share Computation (Details) - shares shares in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 425 | 5,679 | 11,644
Convertible Note due 2020 |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 0 | 312 | 1,322
Convertible Note due 2022 |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 0 | 192 |
Stock options |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 8 | 1,603 | 2,568
RSUs |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 27 | 3,041 | 2,955
Stock purchase rights under the ESPP |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 390 | 531 | 478
Warrant |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 0 | 0 | 4,321

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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