Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
ASSETS
Cash and cash equivalents	$ 47,453	$ 213,759
Deposits with clearing organizations	101,371	66,968
Restricted cash	127,781	127,765
Receivable from brokers, dealers and clearing organizations	209,437	169,902
Receivable from customers, net of allowance for credit losses of $3,311 ($3,326 in 2021)	1,261,305	1,221,450
Securities purchased under agreements to resell	0	935
Securities owned, including amounts pledged of $551,736 ($266,428 in 2021), at fair value	689,046	634,504
Notes receivable, net	57,879	53,983
Furniture, equipment and leasehold improvements, net of accumulated depreciation of $94,745 ($92,785 in 2021)	28,530	28,036
Right-of-use assets	151,150	150,121
Goodwill	137,889	137,889
Intangible assets	32,100	32,100
Other assets	175,516	205,838
Total assets	3,019,457	3,043,250
Liabilities
Bank call loans	78,150	69,500
Payable to brokers, dealers and clearing organizations	319,503	422,057
Payable to customers	506,988	456,958
Securities sold under agreements to repurchase	481,151	277,322
Securities sold but not yet purchased, at fair value	97,371	71,958
Accrued compensation	115,731	342,125
Income tax payable	13,158	13,536
Accounts payable and other liabilities	97,201	76,655
Present value of lease liabilities	194,102	192,019
Senior secured notes, net of debt issuance costs of $863 ($926 in 2021)	124,137	124,074
Deferred tax liabilities, net of deferred tax assets of $50,191 ($54,957 in 2021)	47,254	44,016
Total liabilities	2,074,746	2,090,220
Commitments and contingencies (note 14)
Redeemable noncontrolling interests	127,765	127,765
Share capital
Common stock	22,628	36,442
Contributed capital	39,829	41,603
Retained earnings	748,323	740,926
Accumulated other comprehensive income	3,611	4,225
Total Oppenheimer Holdings Inc. stockholders' equity	814,391	823,196
Noncontrolling interest	2,555	2,069
Total Stockholders' Equity	816,946	825,265
Total Liabilities, Redeemable Noncontrolling Interests and Stockholders' Equity	3,019,457	3,043,250
Class A Stock
Share capital
Common stock	22,495	36,309
Class B Stock
Share capital
Common stock	$ 133	$ 133