CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
ASSETS
Cash and cash equivalents	$ 30,773,000	$ 112,433,000
Deposits with clearing organizations	88,927,000	77,691,000
Restricted cash	25,949,000	25,534,000
Receivable from brokers, dealers and clearing organizations	259,374,000	206,077,000
Receivable from customers, net of allowance for credit losses of $367 ($350 in 2022)	1,087,314,000	1,202,764,000
Income tax receivable	17,740,000	0
Securities owned, including amounts pledged of $680,891 ($175,724 in 2022), at fair value	853,945,000	498,594,000
Notes receivable, net	61,270,000	57,495,000
Furniture, equipment and leasehold improvements, net of accumulated depreciation of $91,544 ($97,751 in 2022)	42,627,000	36,742,000
Right-of-use lease assets, net of accumulated amortization of $89,365 ($82,449 in 2022)	151,191,000	142,630,000
Goodwill	137,889,000	137,889,000
Intangible assets	32,100,000	32,100,000
Other assets	186,275,000	184,443,000
Total assets	2,975,374,000	2,714,392,000
Liabilities
Drafts payable	14,521,000	0
Bank call loans	56,200,000	0
Payable to brokers, dealers and clearing organizations	350,344,000	550,006,000
Payable to customers	363,839,000	456,475,000
Securities sold under agreements to repurchase	680,064,000	161,009,000
Securities sold but not yet purchased, at fair value	45,577,000	52,768,000
Accrued compensation	224,282,000	239,136,000
Income tax payable	0	4,130,000
Accounts payable and other liabilities	86,536,000	102,202,000
Lease liabilities	193,954,000	182,570,000
Senior secured notes, net of debt issuance costs of $447 ($616 in 2022)	112,603,000	113,434,000
Deferred tax liabilities, net of deferred tax assets of $47,682 ($55,628 in 2022)	42,165,000	32,241,000
Total liabilities	2,170,085,000	1,893,971,000
Commitments and contingencies (Note 14)
Redeemable noncontrolling interests	25,974,000	25,466,000
Stockholders' equity
Common stock ($0.001 par value per share): Class A: shares authorized: 50,000,000; shares issued and outstanding: 10,289,233 and 10,868,556 as of September 30, 2023 and December 31, 2022, respectively Class B: shares authorized, issued and outstanding: 99,665 as of September 30, 2023 and December 31, 2022	10,000	11,000
Additional paid-in capital	28,826,000	28,628,000
Retained earnings	750,798,000	764,178,000
Accumulated other comprehensive income (loss)	(324,000)	1,416,000
Total Oppenheimer Holdings Inc. stockholders' equity	779,310,000	794,233,000
Noncontrolling interest (Note 2)	5,000	722,000
Total Stockholders' equity	779,315,000	794,955,000
Total Liabilities, Redeemable Noncontrolling Interests and Stockholders' Equity	$ 2,975,374,000	$ 2,714,392,000