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Organization | 12 Months Ended
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Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Organization | Organization Oppenheimer Holdings Inc. ("OPY") is incorporated under the laws of the State of Delaware. The consolidated financial statements include the accounts of OPY and its subsidiaries (together, the "Company"). The Company engages in a broad range of activities in the financial services industry, including retail securities brokerage, institutional sales and trading, investment banking (both corporate and public finance), research, market-making, trust services, and investment advisory and asset management services. The Company provides its services from 93 offices in 25 states located throughout the United States and in 5 foreign jurisdictions. The principal subsidiaries of OPY are Oppenheimer & Co. Inc. ("Oppenheimer"), a registered broker-dealer in securities and investment adviser under the Investment Advisers Act of 1940, Oppenheimer Asset Management Inc. ("OAM") and its wholly-owned subsidiary, Oppenheimer Investment Management LLC ("OIM"), both registered investment advisers under the Investment Advisers Act of 1940, Oppenheimer Trust Company of Delaware ("Oppenheimer Trust"), a limited purpose trust company that provides fiduciary services such as trust and estate administration and investment management, OPY Credit Corp., which offers syndication as well as trading of issued corporate loans, Oppenheimer Europe Ltd., based in the United Kingdom, with offices in the Isle of Jersey and Switzerland, which provides institutional equities and fixed income brokerage and corporate financial services and is regulated by the Financial Conduct Authority, and Oppenheimer Investments Asia Limited, based in Hong Kong, China, which provides assistance in accessing the U.S. equities markets and limited mergers and acquisitions advisory services to Asia-based companies, as well as offering fixed income brokerage services to institutional investors, and is regulated by the Securities and Futures Commission. Oppenheimer Multifamily Housing & Healthcare Finance, Inc. ("OMHHF") was formerly engaged in Federal Housing Administration ("FHA")-insured commercial mortgage origination and servicing. During 2016, the Company sold substantially all of the assets of OMHHF and ceased its operations. Oppenheimer owns Freedom Investments, Inc. ("Freedom"), a registered broker dealer in securities, which provides discount brokerage services, and Oppenheimer Israel (OPCO) Ltd., which is engaged in offering investment services in the State of Israel. Oppenheimer holds a trading permit on the New York Stock Exchange and is a member of several other regional exchanges in the United States.

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- Definition The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References No definition available. + Details
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