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STOCKHOLDERS' EQUITY - PREFERRED STOCK (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2020 | Mar. 31, 2020 | Mar. 31, 2019
Class of Stock [Line Items] |  |  |
Dividends, Preferred Stock |  | $ 356 | $ 356
Class A common stock |  |  |
Class of Stock [Line Items] |  |  |
Dividends, Preferred Stock |  | $ 100 | $ 100
Subsequent Event | Class A common stock |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock dividends (in shares) | 267,079 |  |

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