NET CAPITAL REQUIREMENTS	12 Months Ended
	Dec. 31, 2022
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, to not exceed 15 to 1. As such, they are subject to the minimum net capital requirements promulgated by the SEC. 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. As of December 31, 2021, BRS had net capital of $277,611, which was $265,093 in excess of its required minimum net capital of $12,518 and BRWM had net capital of $13,833, which was $12,819 in excess of its required minimum net capital of $1,014.