Net Capital Requirements	12 Months Ended
Dec. 31, 2019
Brokers and Dealers [Abstract]
NET CAPITAL REQUIREMENTS	NOTE 20 — NET CAPITAL REQUIREMENTS B. Riley FBR, MLV and B. Riley Wealth Management ("BRWM"), the Company's broker-dealer subsidiaries, are registered with the SEC as broker-dealers and are members of the Financial Industry Regulatory Authority, Inc. ("FINRA"). The Company's broker-dealer subsidiaries are subject to SEC Uniform Net Capital Rule (Rule 15c3-1) which requires the subsidiaries to maintain minimum net capital and that the ratio of aggregate indebtedness to net capital, both as defined, shall not exceed 15 to 1. As such, they are subject to the minimum net capital requirements promulgated by the SEC. As of December 31, 2019, B. Riley FBR had net capital of $106,283, which was $103,322 in excess of its required net capital of $2,961; MLV had net capital of $642, which was $637 in excess of its required net capital of $5; and BRWM had net capital of $5,187, which was $4,708 in excess of its required net capital of $479.

The entire disclosure for financial services, specifically for brokers and dealers, for the accounting period and at the balance sheet date. Disclosure may include amounts receivable from and payable to broker-dealers and clearing organizations, including securities failed to receive, deposits received for securities loaned, amounts payable to clearing organizations related to open transactions, floor brokerage payables and payables for commodities futures accounts liquidating to an equity balance on a broker-dealer's records. May also include disclosure on company's consolidation policy and a note indicating the amount of the broker-dealer's actual net capital and the amount of required net capital.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-URI http://asc.fasb.org/topic&trid=2176223

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