Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues
Revenues	$ 252,064	$ 154,790	$ 712,972	$ 432,250
Operating Expenses
Employment expenses	87,345	67,479	266,734	193,772
Distribution and other asset-based expenses	36,692	19,570	105,007	56,324
Restructuring and severance	0	735	0	1,155
Depreciation expense	915	1,106	2,994	3,560
Amortization expense	10,391	7,532	30,219	22,598
Total operating expenses	158,782	113,781	471,137	340,017
Operating Income (Loss)	93,282	41,009	241,835	92,233
Other Income (Expense)
Other income (expense), net	1,001	999	3,598	806
Total other income (expense), net	(2,304)	6,177	1,738	(9,859)
Interest Income (Expense)
Total interest income (expense), net	7,356	5,726	20,626	5,622
Income (Loss) Before Income Taxes	98,334	52,912	264,199	87,996
Income tax expense (benefit)	25,823	11,978	63,377	29,847
Net Income (Loss)	72,511	40,934	200,822	58,149
Noncontrolling interests	(13,775)	(11,286)	(42,531)	(21,507)
Net Income (Loss) Attributable to Virtus Investment Partners, Inc.	$ 58,736	$ 29,648	$ 158,291	$ 36,642
Earnings (Loss) Per share—Basic (in $ per share)	$ 7.64	$ 3.86	$ 20.59	$ 4.81
Earnings (Loss) Per Share—Diluted (in $ per share)	$ 7.36	$ 3.71	$ 19.72	$ 4.60
Weighted Average Shares Outstanding—Basic (in shares)	7,691	7,684	7,688	7,611
Weighted Average Shares Outstanding—Diluted (in shares)	7,984	7,997	8,028	7,958
Consolidated entity excluding consolidated investment products
Operating Expenses
Other operating expenses	$ 22,800	$ 16,343	$ 64,326	$ 52,664
Other Income (Expense)
Realized and unrealized gain (loss) on investments, net	(504)	2,498	2,881	2,068
Interest Income (Expense)
Interest expense	(2,348)	(2,877)	(6,918)	(9,202)
Interest and dividend income	269	137	571	1,131
Consolidated Investment Products
Operating Expenses
Other operating expenses	639	1,016	1,857	9,944
Other Income (Expense)
Realized and unrealized gain (loss) on investments, net	(2,801)	2,680	(4,741)	(12,733)
Interest Income (Expense)
Interest expense	(13,442)	(17,622)	(42,342)	(70,258)
Interest and dividend income	22,877	26,088	69,315	83,951
Investment management fees
Revenues
Revenues	201,133	129,785	567,912	360,623
Distribution and service fees
Revenues
Revenues	23,293	9,797	67,091	28,146
Administration and shareholder service fees
Revenues
Revenues	26,479	15,114	74,916	43,056
Other income and fees
Revenues
Revenues	$ 1,159	$ 94	$ 3,053	$ 425