Segment Information (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Segment's Contribution with Respect to Net Revenue, Operating Expenses, Operating Income (Loss) and Total Assets

Management evaluates segment results based on net revenue and operating income (loss) and believes that the following information provides a reasonable representation of each segment’s contribution with respect to net revenue, operating income (loss) and total assets:

		As of or for the Year Ended December 31,
		2021			2020			2019
Financial Advisory	Net Revenue	$	1,764,509		$	1,420,501		$	1,374,036
	Operating Expenses (a)		1,356,567			1,130,850			1,225,795
	Operating Income	$	407,942		$	289,651		$	148,241
	Total Assets	$	1,239,964		$	1,181,783		$	1,144,339
Asset Management	Net Revenue	$	1,424,985		$	1,167,466		$	1,237,390
	Operating Expenses (a)		1,032,825			861,031			887,522
	Operating Income	$	392,160		$	306,435		$	349,868
	Total Assets	$	1,128,549		$	958,588		$	821,641
Corporate	Net Revenue	$	3,554		$	(21,829	)	$	(24,653	)
	Operating Expenses (a)		79,808			72,116			80,758
	Operating Loss	$	(76,254	)	$	(93,945	)	$	(105,411	)
	Total Assets	$	4,778,668		$	3,831,490		$	3,673,601
Total	Net Revenue	$	3,193,048		$	2,566,138		$	2,586,773
	Operating Expenses (a)		2,469,200			2,063,997			2,194,075
	Operating Income	$	723,848		$	502,141		$	392,698
	Total Assets	$	7,147,181		$	5,971,861		$	5,639,581

(a) Operating expenses include depreciation and amortization of property as set forth in table below.

	Year Ended December 31,
	2021		2020		2019
Financial Advisory	$	8,480	$	6,104	$	5,492
Asset Management		5,618		3,730		2,995
Corporate		24,217		25,261		27,085
Total	$	38,315	$	35,095	$	35,572

Schedule of Operating Income, Revenue and Identifiable Assets by Geographical Areas

The following table sets forth the net revenue from, and identifiable assets for, the Company and its consolidated subsidiaries by geographic region allocated on the basis described above. In the table below, Americas principally includes the U.S., EMEA principally includes the U.K. and France, and Asia Pacific principally includes Australia.

	As of or for the Year Ended December 31,
	2021		2020		2019
Net Revenue:
Americas	$	1,780,815	$	1,530,100	$	1,544,063
EMEA		1,251,058		885,924		873,007
Asia Pacific		161,175		150,114		169,703
Total	$	3,193,048	$	2,566,138	$	2,586,773
Operating Income:
Americas	$	399,916	$	362,446	$	241,992
EMEA		295,991		109,991		120,481
Asia Pacific		27,941		29,704		30,225
Total	$	723,848	$	502,141	$	392,698
Identifiable Assets:
Americas	$	4,011,071	$	3,124,103	$	2,908,926
EMEA		2,933,180		2,534,168		2,437,788
Asia Pacific		202,930		313,590		292,867
Total	$	7,147,181	$	5,971,861	$	5,639,581