Condensed Consolidated Income Statements (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
REVENUE
Commissions	$ 89,608	$ 90,889	$ 282,307	$ 300,531
Advisory fees	102,927	116,751	326,098	332,399
Investment banking	38,393	86,901	93,516	316,144
Bank deposit sweep income	35,769	3,909	54,968	11,629
Interest	17,361	9,340	38,667	26,915
Principal transactions, net	6,502	4,494	10,124	21,664
Other	3,551	3,058	(8,319)	19,635
Total revenue	294,111	315,342	797,361	1,028,917
EXPENSES
Compensation and related expenses	179,134	206,312	543,144	693,053
Communications and technology	21,500	19,718	63,981	59,497
Occupancy and equipment costs	15,457	14,964	44,701	45,371
Clearing and exchange fees	6,705	5,237	18,923	16,667
Interest	7,018	2,468	13,158	7,563
Other	57,059	29,249	98,172	74,077
Total expenses	286,873	277,948	782,079	896,228
Pre-tax income	7,238	37,394	15,282	132,689
Income taxes provision	2,573	11,144	5,559	36,622
Net income	4,665	26,250	9,723	96,067
Net income (loss) attributable to noncontrolling interest, net of tax	145	0	(215)	0
Net income attributable to Oppenheimer Holdings Inc.	$ 4,520	$ 26,250	$ 9,938	$ 96,067
Earnings per share attributable to Oppenheimer Holdings Inc.
Basic (in dollars per share)	$ 0.40	$ 2.07	$ 0.84	$ 7.59
Diluted (in dollars per share)	$ 0.37	$ 1.92	$ 0.78	$ 7.10
Weighted average shares outstanding
Basic (in shares)	11,270,589	12,690,386	11,901,727	12,653,310
Diluted (in shares)	12,190,425	13,664,214	12,809,000	13,539,373
Shares, Outstanding	10,974,655	12,615,399	10,974,655	12,615,399