NET CAPITAL REQUIREMENTS	3 Months Ended
	Mar. 31, 2023
Broker-Dealer [Abstract]
NET CAPITAL REQUIREMENTS	NET CAPITAL REQUIREMENTSB. Riley Securities (“BRS”) and B. Riley Wealth Management (“BRWM”), the Company’s broker-dealer subsidiaries, are registered with the SEC as broker-dealers and 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 maintenance of minimum net capital and requires 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 March 31, 2023, BRS had net capital of $146,827, which was $142,696 in excess of required minimum net capital of $4,131; and BRWM had net capital of $11,105, which was $8,780 in excess of required minimum net capital of $2,325.As of December 31, 2022, BRS had net capital of $175,503, which was $169,458 in excess of its required minimum net capital of $6,045; and BRWM had net capital of $11,144, which was $8,615 in excess of its required minimum net capital of $2,529.