Condensed Consolidated Statements of Financial Condition (Parenthetical) (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020
Investments ($94,318 and $80,743)	[1]	$ 128,437	$ 154,978
Other Assets	[1]	11,538	8,404
Due to brokers ($134 and $128)	[1]	134	501
Other liabilities and accrued expenses	[1]	$ 10,050	$ 15,646
Common stock, par value		$ 0.01	$ 0.01
Common stock, shares authorized		500,000,000	500,000,000
Common stock, shares issued		54,220,098	53,462,621
Treasury stock, shares		5,983,474	5,674,510
GLI SICAV, GRP-CIP, SICAV GRE and SICAV RAP
Investments ($94,318 and $80,743)		$ 94,318	$ 80,743
Other Assets		318	637
Due to brokers ($134 and $128)		134	128
Other liabilities and accrued expenses		$ 358	$ 326

[1] Asset and liability amounts in parentheses represent the aggregated balances at March 31, 2021 and December 31, 2020 attributable to variable interest entities consolidated by the Company. Refer to Note 4 for further discussion.