Condensed Consolidated Income Statements (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
REVENUE
Commissions	$ 98,321	$ 113,471
Advisory fees	115,766	104,496
Investment banking	38,470	124,501
Bank deposit sweep income	4,354	4,008
Interest	9,517	8,666
Principal transactions, net	2,364	10,865
Other	(2,764)	7,275
Total revenue	266,028	373,282
EXPENSES
Compensation and related expenses	186,031	255,601
Communications and technology	21,585	20,607
Occupancy and equipment costs	14,690	15,182
Clearing and exchange fees	5,976	6,275
Interest	2,512	2,647
Other	21,021	20,843
Total expenses	251,815	321,155
Pre-tax income	14,213	52,127
Income taxes	4,435	13,469
Net income	9,778	38,658
Net income attributable to non-controlling interest	486	0
Net income attributable to Oppenheimer Holdings Inc.	$ 9,292	$ 38,658
Earnings per share attributable to Oppenheimer Holdings Inc.
Basic (in dollars per share)	$ 0.75	$ 3.07
Diluted (in dollars per share)	$ 0.69	$ 2.91
Weighted average shares
Basic (in shares)	12,467,632	12,579,130
Diluted (in shares)	13,499,334	13,299,243