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REGULATORY AUTHORITIES - Additional Information (Details) $ in Thousands | Sep. 30, 2025 USD ($) | Jun. 30, 2025 USD ($)
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LFNY |  |
Regulatory Requirements [Line Items] |  |
Regulatory capital | $ 103,208 |
Regulatory capital in excess of minimum requirement | $ 96,881 |
Aggregate indebtedness to net capital ratio | 0.92 |
U.K. Subsidiaries |  |
Regulatory Requirements [Line Items] |  |
Regulatory capital | $ 113,537 |
Regulatory capital in excess of minimum requirement | 38,431 |
CFLF |  |
Regulatory Requirements [Line Items] |  |
Regulatory capital |  | $ 165,355
Regulatory capital in excess of minimum requirement |  | 64,940
Combined European Regulated Group |  |
Regulatory Requirements [Line Items] |  |
Regulatory capital |  | 188,305
Regulatory capital in excess of minimum requirement |  | $ 66,407
Other U.S. and Non-U.S. Subsidiaries |  |
Regulatory Requirements [Line Items] |  |
Regulatory capital | 101,014 |
Regulatory capital in excess of minimum requirement | $ 74,509 |

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