Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues:
Services and fees	$ 266,485	$ 301,497	$ 678,065	$ 857,109
Trading income (losses) and fair value adjustments on loans	12,154	18,197	(280,163)	317,818
Interest income - Loans and securities lending	57,594	26,869	182,855	89,280
Sale of goods	4,130	34,959	7,895	54,244
Total revenues	340,363	381,522	588,652	1,318,451
Operating expenses:
Direct cost of services	44,523	18,019	73,959	41,435
Cost of goods sold	3,089	12,442	7,334	21,394
Selling, general and administrative expenses	163,727	244,218	506,062	635,484
Restructuring charge	8,016	0	8,016	0
Interest expense - Securities lending and loan participations sold	17,447	10,097	43,757	40,269
Total operating expenses	236,802	284,776	639,128	738,582
Operating income (loss)	103,561	96,746	(50,476)	579,869
Other income (expense):
Interest income	686	70	1,253	175
Change in fair value of financial instruments and other	(574)	1,758	9,728	8,267
(Loss) income from equity investments	(91)	1,149	3,285	1,172
Interest expense	(34,587)	(25,372)	(96,787)	(66,014)
Income (loss) before income taxes	68,995	74,351	(132,997)	523,469
(Provision for) benefit from income taxes	(16,350)	(22,693)	39,858	(140,113)
Net income (loss)	52,645	51,658	(93,139)	383,356
Net income attributable to noncontrolling interests and redeemable noncontrolling interests	4,808	1,108	9,245	2,474
Net income (loss) attributable to B. Riley Financial, Inc.	47,837	50,550	(102,384)	380,882
Preferred stock dividends	2,002	1,929	6,006	5,467
Net income (loss) available to common shareholders	45,835	48,621	(108,390)	375,415
Net income (loss) available to common shareholders	$ 45,835	$ 48,621	$ (108,390)	$ 375,415
Basic (loss) income per common share (in dollars per share)	$ 1.62	$ 1.76	$ (3.86)	$ 13.75
Diluted (loss) income per common share (in dollars per share)	$ 1.53	$ 1.69	$ (3.86)	$ 13.07
Weighted average basic common shares outstanding (in shares)	28,293,064	27,570,716	28,068,160	27,297,917
Weighted average diluted common shares outstanding (in shares)	29,968,417	28,794,066	28,068,160	28,726,492