UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
REVENUE		$ 37,065	$ 39,580	$ 112,318	$ 117,180
EXPENSES
Compensation and Benefits Expense		16,012	16,122	49,220	47,520
General and Administrative Expense		3,905	3,322	12,186	9,856
Total Operating Expenses		19,917	19,444	61,406	57,376
Operating Income		17,148	20,136	50,912	59,804
OTHER INCOME
Interest Income		292	234	701	382
Dividend Income		139	52	369	127
Net Realized and Unrealized (Losses)/ Gains from Investments		(338)	142	481	(71)
Equity in (Losses)/ Earnings of Affiliates		(4)	204	1,017	(73)
Other (Expense)/ Income		(75)	(27)	(174)	(22)
Total Other Income/ (Expense)		14	605	2,394	343
Income Before Income Taxes		17,162	20,741	53,306	60,147
Income Tax Expense		246	1,294	4,153	5,677
Net Income		16,916	19,447	49,153	54,470
Less: Net Income Attributable to Non-Controlling Interests		13,438	15,185	39,209	43,213
Net Income Attributable to Pzena Investment Management, Inc.		3,478	4,262	9,944	11,257
Net Income for Basic Earnings per Share		$ 3,478	$ 4,262	$ 9,944	$ 11,257
Basic Earnings per Share		$ 0.19	$ 0.24	$ 0.55	$ 0.63
Basic Weighted Average Shares Outstanding	[1]	17,851,780	17,489,380	18,000,234	17,752,788
Net Income for Diluted Earnings per Share		$ 13,768	$ 15,786	$ 39,793	$ 44,033
Diluted Earnings per Share		$ 0.19	$ 0.22	$ 0.54	$ 0.61
Diluted Weighted Average Shares Outstanding	[1]	73,649,468	71,677,806	74,022,533	71,934,411
Cash Dividends per Share of Class A Common Stock		$ 0.03	$ 0.03	$ 0.55	$ 0.48

[1] The Company issues restricted shares of Class A common stock and restricted Class B units that have non-forfeitable dividend rights. Under the "two-class method," these shares and units are considered participating securities and are required to be included in the computation of basic and diluted earnings per share.