NONCONTROLLING INTERESTS (Details) |
Jun. 30, 2026 |
Dec. 31, 2025 |
Mar. 10, 2025 |
Jan. 06, 2025 |
|---|---|---|---|---|
| BRC Partners Opportunity Fund, LP | ||||
| Noncontrolling Interest [Line Items] | ||||
| Rate of equity interests | 22.60% | 86.60% | ||
| B. Riley Securities Holdings, Inc. | ||||
| Noncontrolling Interest [Line Items] | ||||
| Ownership, percentage | 92.90% | 90.70% | ||
| Minority interest, remaining | 89.40% | |||
| B. Riley Securities Holdings, Inc. | Capital Markets segment | ||||
| Noncontrolling Interest [Line Items] | ||||
| Ownership, percentage | 0.60% | |||
| BRC Partners Opportunity Fund, LP | BRC Trust | Related Party | ||||
| Noncontrolling Interest [Line Items] | ||||
| Ownership, percentage | 58.20% |