Concentration of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2019

Risks and Uncertainties [Abstract]

Schedules of Concentration of Risk, by Risk Factor

The following affiliated funds and third-party institutional separate account subadvisory relationship, which is comprised of multiple accounts, provided 10% or more of the total revenue of the Company:

	Years Ended December 31,
(in thousands, except percentages)	2019			2018			2017
Cohen & Steers Preferred Securities and Income Fund, Inc. (CPX):
Investment advisory and administration fees	$	56,638		$	53,059		$	53,594
Distribution and service fees	12,753			13,525			14,744
Total	$	69,391		$	66,584		$	68,338
Percent of total revenue	16.9		%	17.5		%	18.0		%
Cohen & Steers Real Estate Securities Fund, Inc. (CSI):
Investment advisory and administration fees	$	41,971		$	31,759		$	27,033
Distribution and service fees	8,128			6,841			7,662
Total	$	50,099		$	38,600		$	34,695
Percent of total revenue	12.2		%	10.1		%	9.2		%
Cohen & Steers Realty Shares, Inc. (CSR):
Investment advisory and administration fees	$	32,884		$	33,827		$	38,392
Distribution and service fees	4,079			4,032			4,602
Total	$	36,963		$	37,859		$	42,994
Percent of total revenue	9.0		%	9.9		%	11.4		%
Daiwa Asset Management:
Investment advisory fees	$	31,957		$	33,454		$	40,791
Percent of total revenue	7.8		%	8.8		%	10.8		%