ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recently Adopted and Issued Accounting Pronouncements (Details) - Convertible debt - USD ($) $ in Thousands |
1 Months Ended | 12 Months Ended | |||
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Dec. 31, 2019 |
Dec. 31, 2020 |
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
Reacquisition of equity component | $ 19,532 | ||||
Additional Paid-in Capital | |||||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
Reacquisition of equity component | $ 19,500 | $ 19,532 | [1] | ||
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