CONDENSED CONSOLIDATED INCOME STATEMENTS (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
REVENUE
Commissions	$ 110,025	$ 97,055	$ 220,903	$ 192,905
Advisory fees	125,628	117,197	254,431	232,044
Investment banking	43,533	29,119	91,156	79,656
Bank deposit sweep income	28,654	34,846	58,729	71,531
Interest	38,017	34,805	74,386	61,571
Principal transactions, net	14,532	10,074	23,507	28,308
Other	12,789	7,493	17,891	17,712
Total revenue	373,178	330,589	741,003	683,727
EXPENSES
Compensation and related expenses	239,074	220,727	466,165	442,440
Communications and technology	26,204	24,682	52,386	49,258
Occupancy and equipment costs	15,578	15,516	31,587	31,364
Clearing and exchange fees	7,041	6,780	14,793	12,622
Interest	22,529	21,980	43,925	42,528
Other	30,542	25,039	58,561	52,195
Total expenses	340,968	314,724	667,417	630,407
Pre-tax income	32,210	15,865	73,586	53,320
Income tax provision	10,536	5,599	21,257	17,310
Net income	21,674	10,266	52,329	36,010
Net loss attributable to noncontrolling interest, net of tax	0	0	0	(310)
Net income attributable to Oppenheimer Holdings Inc.	$ 21,674	$ 10,266	$ 52,329	$ 36,320
Earnings per share attributable to Oppenheimer Holdings Inc.
Basic (in dollars per share)	$ 2.06	$ 0.99	$ 4.99	$ 3.49
Diluted (in dollars per share)	$ 1.91	$ 0.92	$ 4.63	$ 3.29
Weighted average shares outstanding
Basic (in shares)	10,520,219	10,327,818	10,493,145	10,367,636
Diluted (in shares)	11,349,049	11,111,903	11,308,979	11,083,422
Period end shares outstanding (in shares)	10,517,924	10,327,510	10,517,924	10,327,510