UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
NET INCOME	$ 15,574	$ 16,916	$ 29,192	$ 49,153
OTHER COMPREHENSIVE GAIN
Foreign Currency Translation Adjustment	295	(104)	73	(114)
Total Other Comprehensive Gain/ (Loss)	295	(104)	73	(114)
Comprehensive Income	15,869	16,812	29,265	49,039
Less: Comprehensive Income Attributable to Non-Controlling Interests	13,136	13,308	24,381	39,067
Total Comprehensive Income Attributable to Pzena Investment Management, Inc.	$ 2,733	$ 3,504	$ 4,884	$ 9,972