Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 109,561	$ 52,854
Cash and securities segregated for regulatory and other purposes	180,498	142,446
Deposits with clearing organizations	25,058	23,228
Receivable from brokers and clearing organizations	359,904	302,844
Receivable from customers, net of allowance for doubtful accounts of $2,430 ($2,716 in 2010)	923,666	924,817
Income taxes receivable	3,155	4,979
Securities purchased under agreement to resell	562,482	347,070
Securities owned, including amounts pledged of $434,315 ($102,501 in 2010), at fair value	1,047,628	367,019
Notes receivable, net	60,050	59,786
Office facilities, net	19,855	22,875
Intangible assets, net	38,816	40,979
Goodwill	132,472	132,472
Other	161,004	198,665
Total assets	3,624,149	2,620,034
Liabilities
Drafts payable	38,290	61,055
Bank call loans	159,000	147,000
Payable to brokers and clearing organizations	395,280	372,697
Payable to customers	560,486	406,916
Securities sold under agreement to repurchase	1,168,455	390,456
Securities sold, but not yet purchased, at fair value	181,474	160,052
Accrued compensation	120,423	175,938
Accounts payable and other liabilities	275,034	262,506
Senior secured note	200,000	0
Senior secured credit note	0	22,503
Subordinated note	0	100,000
Deferred income tax, net	18,472	16,295
Excess of fair value of acquired assets over cost	7,020	7,020
Total liabilities	3,123,935	2,122,438
Oppenheimer Holdings Inc. stockholders' equity Share capital
Common stock	62,630	51,901
Contributed capital	35,060	47,808
Retained earnings	396,422	394,648
Accumulated other comprehensive income	1,648	207
Total Oppenheimer Holdings Inc. stockholders' equity	495,760	494,564
Noncontrolling interest	4,454	3,032
Total equity	500,214	497,596
Total Liabilities and Equity	3,624,149	2,620,034
Class A non-voting common stock
Oppenheimer Holdings Inc. stockholders' equity Share capital
Common stock	62,497	51,768
Class B voting common stock
Oppenheimer Holdings Inc. stockholders' equity Share capital
Common stock	$ 133	$ 133

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-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph m
-Subparagraph 1(i)
-Article 4

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph m
-Subparagraph 2
-Article 4

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The carrying value as of the balance sheet date of securities that an institution sells and agrees to repurchase (the identical or substantially the same securities) as a seller-borrower at a specified date for a specified price, also known as a repurchase agreement, or repo. Most repos involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances, and negotiable certificates of deposit, are sometimes used in repos.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 13
-Subparagraph 1
-Article 9

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 140
-Paragraph 100

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Audit and Accounting Guide (AAG)
-Number AAG-BRD
-Chapter 4
-Paragraph 36
-IssueDate 2006-05-01

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- Definition

Fair value of financial instruments sold short by a broker-dealer for their own account (proprietary securities) for trading or investment purposes determined by management based upon quoted prices of a financial instrument with similar characteristics or on a valuation technique or model.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 10, 11

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 22 - 31

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

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- Definition

Total of all Stockholders' Equity (deficit) items, net of receivables from officers, directors owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph A3
-Appendix A

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-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section E

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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30, 31
-Article 5

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Total of Stockholders' Equity (deficit) items, net of receivables from officers, directors owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity.

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-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 25

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-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 26

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-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph A3
-Appendix A

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

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-Name Staff Accounting Bulletin (SAB)
-Number Topic 10
-Section F

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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Article 5
-Subsection 19, 20, 22

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