Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

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:

		Three Months Ended						Six Months Ended
		June 30,						June 30,
		2018			2017			2018			2017
Financial Advisory	Net Revenue	$	422,089		$	410,882		$	831,210		$	746,694
	Operating Expenses		318,177			313,719			642,873			576,470
	Operating Income	$	103,912		$	97,163		$	188,337		$	170,224
Asset Management	Net Revenue	$	352,588		$	309,878		$	706,871		$	593,241
	Operating Expenses		229,561			215,901			459,230			404,652
	Operating Income	$	123,027		$	93,977		$	247,641		$	188,589
Corporate	Net Revenue	$	(16,739	)	$	(3,580	)	$	(25,445	)	$	709
	Operating Expenses		10,260			15,059			24,765			36,824
	Operating Loss	$	(26,999	)	$	(18,639	)	$	(50,210	)	$	(36,115	)
Total	Net Revenue	$	757,938		$	717,180		$	1,512,636		$	1,340,644
	Operating Expenses		557,998			544,679			1,126,868			1,017,946
	Operating Income	$	199,940		$	172,501		$	385,768		$	322,698

	As Of
	June 30, 2018		December 31, 2017
Total Assets
Financial Advisory	$	877,678	$	843,142
Asset Management		709,833		756,398
Corporate		3,040,481		3,329,137
Total	$	4,627,992	$	4,928,677