SHAREHOLDERS' EQUITY AND EQUITY COMPENSATION - Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Stockholders' Equity Note [Abstract] | ||
| Restricted stock | $ 5,028 | $ 5,538 |
| ESOP | 1,389 | 1,204 |
| Total stock-based compensation | $ 6,417 | $ 6,742 |