Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Pay vs Performance Disclosure
Net income attributable to Oppenheimer Holdings Inc.	$ 21,674	$ 10,266	$ 52,329	$ 36,320

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details