Condensed Consolidated Statements of Financial Condition - (Parenthetical) (Unaudited) - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Investments ($71,941 and $82,829)	[1]	$ 151,365	$ 155,213
Other Assets	[1]	8,594	7,433
Due to brokers ($76 and $366)	[1]	293	366
Other liabilities and accrued expenses	[1]	$ 11,553	$ 13,972
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01
Common stock, shares authorized (in shares)		500,000,000	500,000,000
Common stock, shares issued (in shares)		53,456,437	52,580,246
Treasury stock, shares (in shares)		5,674,510	5,329,820
GLI SICAV, GRP-CIP, SICAV GRE and SICAV RAP
Investments ($71,941 and $82,829)		$ 71,941	$ 82,829
Due from broker		163	1,743
Other Assets		1,247	1,041
Due to brokers ($76 and $366)		76	366
Other liabilities and accrued expenses		$ 328	$ 784

[1] Asset and liability amounts in parentheses represent the aggregated balances at September 30, 2020 and December 31, 2019 attributable to variable interest entities consolidated by the Company. Refer to Note 4 for further discussion.