Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Services and fees	$ 235,559	$ 202,814
Trading income (loss) and fair value adjustments on loans	51,568	(19,278)
Interest income - Loans and securities lending	77,186	61,426
Sale of goods	67,777	1,878
Total revenues	432,090	246,840
Operating expenses:
Direct cost of services	54,397	11,651
Cost of goods sold	47,626	2,251
Selling, general and administrative expenses	212,627	175,199
Restructuring charge	93	0
Interest expense - Securities lending and loan participations sold	32,424	11,766
Total operating expenses	347,167	200,867
Operating income	84,923	45,973
Other income (expense):
Interest income	2,574	67
Dividend income	13,204	7,861
Realized and unrealized gains (losses) on investments	(28,442)	(49,112)
Change in fair value of financial instruments and other	(209)	5,981
(Loss) income from equity investments	(10)	6,775
Interest expense	(47,561)	(30,436)
Income (loss) before income taxes	24,479	(12,891)
(Provision for) benefit from income taxes	(7,919)	3,695
Net income (loss)	16,560	(9,196)
Net (loss) income attributable to noncontrolling interests and redeemable noncontrolling interests	(595)	866
Net income (loss) attributable to B. Riley Financial, Inc.	17,155	(10,062)
Preferred stock dividends	2,012	2,002
Net income (loss) available to common shareholders	15,143	(12,064)
Net income (loss) available to common shareholders	$ 15,143	$ (12,064)
Basic (loss) income per common share (in dollars per share)	$ 0.53	$ (0.43)
Diluted (loss) income per common share (in dollars per share)	$ 0.51	$ (0.43)
Weighted average basic common shares outstanding (in shares)	28,585,337	27,855,033
Weighted average diluted common shares outstanding (in shares)	29,513,435	27,855,033