Income taxes	9 Months Ended
Income taxes	Sep. 30, 2025
Income Tax Disclosure [Abstract]
Income taxes	Income taxesThe effective income tax rate for the three and nine months ended September 30, 2025 was 31.4% and 29.6%, respectively, compared with 30.7% and 31.8% for the three and nine month ended September 30, 2024, respectively, and reflects the Company's annual estimate of the statutory federal and state tax rates adjusted for certain discrete items. The effective tax rate for the third quarter of 2025 was impacted by certain unfavorable permanent items.

The entire disclosure for income tax.

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OPPENHEIMER HOLDINGS INC 10-Q