UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
REVENUE		$ 37,410	$ 39,252
EXPENSES
Compensation and Benefits Expense		17,189	16,174
General and Administrative Expense		4,027	3,155
Total Operating Expenses		21,216	19,329
Operating Income		16,194	19,923
OTHER INCOME
Interest Income		217	62
Dividend Income		62	36
Net Realized and Unrealized Gains/ (Losses) from Investments		837	(34)
Equity in Earnings/ (Losses) of Affiliates		758	(129)
Other (Expense)/ Income		(55)	15
Total Other Income/ (Expense)		1,819	(50)
Income Before Income Taxes		18,013	19,873
Income Tax Expense		2,071	2,207
Net Income		15,942	17,666
Less: Net Income Attributable to Non-Controlling Interests		12,840	14,143
Net Income Attributable to Pzena Investment Management, Inc.		3,102	3,523
Net Income for Basic Earnings per Share		$ 3,102	$ 3,523
Basic Earnings per Share		$ 0.17	$ 0.20
Basic Weighted Average Shares Outstanding	[1]	18,278,773	18,015,368
Net Income for Diluted Earnings per Share		$ 12,808	$ 14,226
Diluted Earnings per Share		$ 0.17	$ 0.20
Diluted Weighted Average Shares Outstanding	[1]	74,258,120	72,285,962
Cash Dividends per Share of Class A Common Stock		$ 0.49	$ 0.42

[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.