Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 76,097	$ 16,209	$ 128,311	$ 17,215
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment, net of tax of $(2) and $0 for the three months ended June 30, 2021 and 2020, respectively, and $(2) and $9 for the six months ended June 30, 2021 and 2020, respectively	0	(1)	6	(26)
Other comprehensive income (loss)	0	(1)	6	(26)
Comprehensive income (loss)	76,097	16,208	128,317	17,189
Comprehensive (income) loss attributable to noncontrolling interests	(13,130)	(4,930)	(28,756)	(10,221)
Comprehensive Income (Loss) Attributable to Virtus Investment Partners, Inc.	$ 62,967	$ 11,278	$ 99,561	$ 6,968