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INCOME TAXES (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Jun. 25, 2018
Class of Stock [Line Items] |  |  |
(Benefit from) Provision for income taxes | $ 382,000 | $ (228,000) |
Percent of tax benefits payable to continuing equity owners |  |  | 85.00%
Tax benefits retained (percent) |  |  | 15.00%
Increase in net deferred tax assets | $ 0 |  |
Period of payment to continuing equity owners | 24 years |  |
Minimum |  |  |
Class of Stock [Line Items] |  |  |
Expected payments for repurchase of redeemable noncontrolling interest | $ 0 |  |
Maximum |  |  |
Class of Stock [Line Items] |  |  |
Expected payments for repurchase of redeemable noncontrolling interest | 3,315,000 |  |
Class B Common Stock | Continuing Equity Owner |  |  |
Class of Stock [Line Items] |  |  |
Deferred tax asset recognized | 40,346,000 |  |
Tax benefits due to continuing equity owners | $ 40,832,000 |  |
Common Stock | Class A Common Stock |  |  |
Class of Stock [Line Items] |  |  |
Redemption of common units in i3 Verticals, LLC (shares) | 0 | 15,000 |
Common Stock | Class B Common Stock |  |  |
Class of Stock [Line Items] |  |  |
Redemption of common units in i3 Verticals, LLC (shares) |  | (15,000) |

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