v3.25.4

Revenue from contracts with customers - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Contract assets (receivables)	$ 72,800	$ 46,200
Deferred revenue (payables)	2,132	930
Capitalized contract costs	$ 2,100	$ 2,000
Commission From Equity Securities Transactions
Disaggregation of Revenue [Line Items]
Revenue settlement period (in days)	1 day
Mutual fund and insurance income
Disaggregation of Revenue [Line Items]
Revenue settlement period (in days)	90 days
Advisory fees
Disaggregation of Revenue [Line Items]
Revenue settlement period (in days)	90 days
Investment banking - capital markets
Disaggregation of Revenue [Line Items]
Revenue settlement period (in days)	90 days
Bank Deposit Sweep Income
Disaggregation of Revenue [Line Items]
Revenue settlement period (in days)	30 days

Revenue From Contract With Customer, Settlement Period

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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OPPENHEIMER HOLDINGS INC 10-K