CONVERTIBLE PREFERRED STOCK - Additional Information (Details) - USD ($) |
Apr. 06, 2021 |
May 07, 2020 |
Dec. 04, 2019 |
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Convertible Preferred Stock | |||
Subsidiary, Sale of Stock [Line Items] | |||
Sale of stock, consideration received on transaction | $ 400,000,000.0 | ||
Series A Preferred Stock | Series A Private Placement | |||
Subsidiary, Sale of Stock [Line Items] | |||
Sale of stock, consideration received on transaction | $ 200,000,000.0 | ||
Sale of stock, number of shares issued (in shares) | 200,000 | ||
Sale of stock, price per share (in dollars per share) | $ 1,000 | ||
Sale of stock, direct and indirect costs | $ 2,700,000 | ||
Series B Preferred Stock | Series B Private Placement | |||
Subsidiary, Sale of Stock [Line Items] | |||
Sale of stock, consideration received on transaction | $ 200,000,000.0 | ||
Sale of stock, number of shares issued (in shares) | 200,000 | ||
Sale of stock, price per share (in dollars per share) | $ 1,000 | ||
Sale of stock, direct and indirect costs | $ 1,300,000 |