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PREFERRED STOCK (Detail) - USD ($) $ / shares in Units, $ in Millions |  |  |  | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 16, 2020 | May 19, 2020 | Jul. 16, 2019 | Sep. 30, 2021 | Dec. 31, 2020
Temporary Equity [Line Items] |  |  |  |  |
Conversion price per share (in dollars per share) | $ 4.00 |  |  |  |
Series A 10% Convertible Preferred Stock |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |
Convertible preferred stock issued/ sold (in shares) |  |  | 210,000 |  |
Face value of convertible preferred stock issued |  |  | $ 210.0 |  |
Fair value of convertible preferred stock issued |  |  | $ 200.0 |  |
Redemption of convertible preferred stock (in shares) |  | 210,000 |  |  |
Aggregate redemption value of convertible preferred stock issued |  | $ 210.0 |  |  |
Accrued and unpaid dividends paid |  | $ 2.9 |  |  |
Preferred stock, quarterly dividends rate |  | 10.00% |  |  |
Series B 10% Convertible Preferred Stock |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |
Convertible preferred stock issued/ sold (in shares) |  |  | 175,000 |  |
Proceeds from issuance of convertible preferred stock |  |  | $ 175.0 |  |
Preferred stock, quarterly dividends rate |  |  |  | 10.00% | 10.00%
Conversion price per share (in dollars per share) |  |  |  | $ 4.00 |

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- Definition The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 + Details
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