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NET CAPITAL REQUIREMENTS (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
B. Riley Securities |  |
Net Capital Requirements (Details) [Line Items] |  |
Net capital | $ 4,398 | $ 6,045
Excess capital | 130,163 | 169,458
B. Riley Wealth Management |  |
Net Capital Requirements (Details) [Line Items] |  |
Excess capital | 10,431 | 8,615
Maximum | B. Riley Securities |  |
Net Capital Requirements (Details) [Line Items] |  |
Net capital | 134,561 | 175,503
Maximum | B. Riley Wealth Management |  |
Net Capital Requirements (Details) [Line Items] |  |
Excess capital | 12,328 | 11,144
Minimum | B. Riley Wealth Management |  |
Net Capital Requirements (Details) [Line Items] |  |
Net capital | $ 1,897 | $ 2,529

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- Definition Amount of net capital in excess of minimum required net capital, calculated under Alternative Standard. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Rule 15c3-1 -Number 240 -Section 15c3-1 -Publisher SEC + Details
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- Definition Amount of net capital of broker-dealer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Rule 15c3-1 -Number 240 -Section 15c3-1 -Publisher SEC + Details
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