CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($) $ in Thousands		Sep. 30, 2018	Dec. 31, 2017
ASSETS
Cash and Cash Equivalents	[1]	$ 31,913	$ 63,414
Due from Broker	[1]	894	1,875
Investments	[1]	58,170	21,737
Other Receivables	[1]	196	132
Property and equipment, accumulated depreciation		3,804	3,063
LIABILITIES AND EQUITY
Accounts Payable and Accrued Expenses	[1]	31,962	31,983
Due to Broker	[1]	608	144
Other Liabilities	[1]	$ 415	$ 272
Equity:
Preferred Stock, Par Value (in dollars per share)		$ 0.01	$ 0.01
Preferred Stock, Shares Authorized (in shares)		200,000,000	200,000,000
Preferred Stock, Shares Outstanding (in shares)		0	0
Common Class A
Equity:
Common Stock, Par Value (in dollars per share)		$ 0.01	$ 0.01
Common Stock, Shares Authorized (in shares)		750,000,000	750,000,000
Common Stock, Shares Issued (in shares)		17,364,299	18,096,554
Common Stock, Shares Outstanding (in shares)		17,364,299	18,096,554
Common Class B
Equity:
Common Stock, Par Value (in dollars per share)		$ 0.000001	$ 0.000001
Common Stock, Shares Authorized (in shares)		750,000,000	750,000,000
Common Stock, Shares Issued (in shares)		51,930,427	50,709,673
Common Stock, Shares Outstanding (in shares)		51,930,427	50,709,673
Variable Interest Entity, Primary Beneficiary
ASSETS
Cash and Cash Equivalents		$ 3,679	$ 3,717
Due from Broker		576	1,485
Investments		3,623	3,927
Other Receivables		14	15
LIABILITIES AND EQUITY
Accounts Payable and Accrued Expenses		16	14
Due to Broker		321	0
Other Liabilities		$ 150	$ 0

[1] Asset and liability amounts in parentheses represent the aggregated balances at September 30, 2018 and December 31, 2017 attributable to Pzena International Value Service (a series of Pzena Investment Management, LLC), Pzena Investment Management Special Situations, LLC, and Pzena U.S. Best Ideas (GP), LLC, which were variable interest entities as of September 30, 2018 and December 31, 2017, respectively. Aggregated balances of variable interest entities at September 30, 2018 also reflect Pzena Global Best Ideas (GP), LLC.