NON-CONTROLLING INTEREST - Additional Information (Details) - i3Verticals, LLC - shares	Sep. 30, 2025	Jan. 23, 2025	Jan. 22, 2025	Sep. 30, 2024
Noncontrolling Interest [Line Items]
Non-controlling interest, common units (in shares)	23,983,125			23,882,035
Non-controlling interest, ownership interest (percent)	74.10%	70.83%	70.05%	70.40%

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