Segment Operating Results (Tables)

12 Months Ended

Dec. 31, 2011

Segment Operating Results [Abstract]

Information Provides A Reasonable Representation Of Each Segment's Contribution

	For the Years Ended December 31,
	2011			2010			2009
Investment Banking
Net Revenues(1)	$	428,124		$	301,847		$	292,634
Operating Expenses		337,886			240,312			204,399
Other Expenses(2)		55,591			19,408			17,728
Operating Income		34,647			42,127			70,507
Income from Equity Method Investments		1,101			16			—
Pre-Tax Income	$	35,748		$	42,143		$	70,507
Identifiable Segment Assets	$	530,008		$	370,329		$	377,303
Investment Management
Net Revenues(1)	$	96,140		$	74,058		$	19,783
Operating Expenses		89,269			75,704			52,233
Other Expenses(2)		5,706			3,621			14,609
Operating Income (Loss)		1,165			(5,267	)		(47,059	)
Income (Loss) from Equity Method Investments		(182	)		(573	)		(1,406	)
Pre-Tax Income (Loss)	$	983		$	(5,840	)	$	(48,465	)
Identifiable Segment Assets	$	513,584		$	527,756		$	513,857
Total
Net Revenues(1)	$	524,264		$	375,905		$	312,417
Operating Expenses		427,155			316,016			256,632
Other Expenses(2)		61,297			23,029			32,337
Operating Income		35,812			36,860			23,448
Income (Loss) from Equity Method Investments		919			(557	)		(1,406	)
Pre-Tax Income	$	36,731		$	36,303		$	22,042
Identifiable Segment Assets	$	1,043,592		$	898,085		$	891,160

(1) Net revenues include Other Revenue, net, allocated to the segments as follows:

	For the Years Ended December 31,
	2011			2010			2009
Investment Banking(A)	$	(2,473	)	$	(84	)	$	(677	)
Investment Management(B)		(3,021	)		(552	)		(1,381	)
Total Other Revenue, net	$	(5,494	)	$	(636	)	$	(2,058	)

(A) Investment Banking Other Revenue, net, includes interest expense on the Senior Notes of $4,238, $4,169, and $2,742 for the years ended December 31, 2011, 2010 and 2009, respectively.

(B) Investment Management Other Revenue, net, includes interest expense on the Senior Notes of $3,579, $3,525 and $4,853 for the years ended December 31, 2011, 2010 and 2009, respectively.

(2) Other Expenses are as follows:

	For the Years Ended December 31,
	2011		2010		2009
Investment Banking
Amortization of LP Units and Certain Other Awards	$	21,328	$	17,532	$	7,910
Vesting of Event-based Awards		8,906		—		—
Acquisition Related Compensation Charges		14,618		—		—
Special Charges		3,894		—		7,942
Intangible Asset Amortization		6,845		1,876		1,876
Total Investment Banking		55,591		19,408		17,728
Investment Management
Amortization of LP Units and Certain Other Awards		2,892		3,289		1,490
Vesting of Event-based Awards		2,483		—		—
Special Charges		—		—		12,187
Acquisition and Transition Costs		—		—		712
Intangible Asset Amortization		331		332		220
Total Investment Management		5,706		3,621		14,609
Total Other Expenses	$	61,297	$	23,029	$	32,337

Reconciliation Of Other Revenue From Segments To Consolidated

	For the Years Ended December 31,
	2011			2010			2009
Investment Banking(A)	$	(2,473	)	$	(84	)	$	(677	)
Investment Management(B)		(3,021	)		(552	)		(1,381	)
Total Other Revenue, net	$	(5,494	)	$	(636	)	$	(2,058	)

(A) Investment Banking Other Revenue, net, includes interest expense on the Senior Notes of $4,238, $4,169, and $2,742 for the years ended December 31, 2011, 2010 and 2009, respectively.

(B) Investment Management Other Revenue, net, includes interest expense on the Senior Notes of $3,579, $3,525 and $4,853 for the years ended December 31, 2011, 2010 and 2009, respectively.

Other Expenses

	For the Years Ended December 31,
	2011		2010		2009
Investment Banking
Amortization of LP Units and Certain Other Awards	$	21,328	$	17,532	$	7,910
Vesting of Event-based Awards		8,906		—		—
Acquisition Related Compensation Charges		14,618		—		—
Special Charges		3,894		—		7,942
Intangible Asset Amortization		6,845		1,876		1,876
Total Investment Banking		55,591		19,408		17,728
Investment Management
Amortization of LP Units and Certain Other Awards		2,892		3,289		1,490
Vesting of Event-based Awards		2,483		—		—
Special Charges		—		—		12,187
Acquisition and Transition Costs		—		—		712
Intangible Asset Amortization		331		332		220
Total Investment Management		5,706		3,621		14,609
Total Other Expenses	$	61,297	$	23,029	$	32,337

Geographic Information

	For the Years Ended December 31,
	2011		2010		2009
Net Revenues:(1)
United States	$	387,063	$	290,693	$	256,104
Europe and Other		112,049		60,605		36,078
Latin America		30,646		25,243		22,293
Total	$	529,758	$	376,541	$	314,475

(1) Excludes Other Revenue and Interest Expense.