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COMMON STOCK EQUITY - NARRATIVE (Details) - USD ($) | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 03, 2021
Class of Stock [Line Items] |  |  |  |
Number of shares issued in transaction (in shares) | 6,545,454 |  |  |
Proceeds from issuance of common stock - public equity offering | $ 212,900,000 | $ 0 | $ 212,900,000 |
Forward sale agreement payout |  | 388,000 | $ 0 |
Directly Issued Common Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of shares issued in transaction (in shares) | 5,333,334 |  |  |
Forward Sales Agreements |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of shares issued in transaction (in shares) | 1,212,120 |  |  |
Conversion price per share (usd per share) | $ 40.0125 |  |  |
Forward sale agreement payout |  | $ 387,744 |  |
Forward sales agreement, settlement (in shares) |  | 31,607 |  | 727,272
Forward sales agreement, settlement, amount |  | $ 1,400,000 |  |

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