Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Total Attributed To Virtus Investment Partners, Inc.	Common Stock	Preferred Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Non- controlling Interests
Balance at beginning of period, common stock (in shares) at Dec. 31, 2019			6,809,280
Beginning Balance at Dec. 31, 2019	$ 686,257	$ 675,699	$ 107	$ 110,843	$ 1,199,205	$ (215,216)	$ 9	$ (419,249)	$ 10,558
Balance at beginning of period, preferred stock (in shares) at Dec. 31, 2019				1,150,000
Balance at beginning of period, treasury stock (in shares) at Dec. 31, 2019								3,927,607
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	81,255	79,957				79,957			1,298
Foreign currency translation adjustment	20	20					20
Net subscriptions (redemptions) and other	(2,224)	(167)			(167)				(2,057)
Conversion of preferred stock (in shares)			912,806	(1,150,000)
Conversion of preferred stock			$ 9	$ (110,843)	110,834
Cash dividends declared, common	(24,998)	(24,998)			(24,998)
Repurchase of common shares (in shares)			(279,796)					279,796
Repurchase of common shares	(32,500)	(32,500)						$ (32,500)
Issuance of common shares related to employee stock transactions (in shares)			141,176
Issuance of common shares related to employee stock transactions	186	186	$ 2		184
Taxes paid on stock-based compensation	(6,608)	(6,608)			(6,608)
Stock-based compensation	19,552	19,552			19,552
Balance at ending of period, common stock (in shares) at Dec. 31, 2020			7,583,466
Ending Balance at Dec. 31, 2020	720,940	711,141	$ 118	$ 0	1,298,002	(135,259)	29	$ (451,749)	9,799
Balance at ending of period, preferred (in shares) at Dec. 31, 2020				0
Balance at ending of period, treasury stock (in shares) at Dec. 31, 2020								4,207,403
Balance at Dec. 31, 2019	63,845
Increase (Decrease) in Redeemable Non-controlling Interests [Roll Forward]
Net income (loss)	38,708
Net subscriptions (redemptions) and other	12,960
Balance at Dec. 31, 2020	115,513
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	208,948	208,131				208,131			817
Foreign currency translation adjustment	(9)	(9)					(9)
Net subscriptions (redemptions) and other	(2,266)								(2,266)
Cash dividends declared, common	(37,222)	(37,222)			(25,312)	(11,910)
Repurchase of common shares (in shares)			(193,193)					193,193
Repurchase of common shares	(57,499)	(57,499)						$ (57,499)
Issuance of common shares related to employee stock transactions (in shares)			115,878
Issuance of common shares related to employee stock transactions	66	66	$ 1		65
Taxes paid on stock-based compensation	(19,509)	(19,509)			(19,509)
Stock-based compensation	$ 23,178	23,178			23,178
Balance at ending of period, common stock (in shares) at Dec. 31, 2021	11,906,747		7,506,151
Ending Balance at Dec. 31, 2021	$ 836,627	828,277	$ 119	$ 0	1,276,424	60,962	20	$ (509,248)	8,350
Balance at ending of period, preferred (in shares) at Dec. 31, 2021				0
Balance at ending of period, treasury stock (in shares) at Dec. 31, 2021	4,400,596							4,400,596
Increase (Decrease) in Redeemable Non-controlling Interests [Roll Forward]
Net income (loss)	$ 53,887
Net subscriptions (redemptions) and other	(30,435)
Balance at Dec. 31, 2021	138,965
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	116,776	117,541				117,541			(765)
Foreign currency translation adjustment	(378)	(378)					(378)
Net subscriptions (redemptions) and other	367	2,035			2,035				(1,668)
Cash dividends declared, common	(48,242)	(48,242)				(48,242)
Repurchase of common shares (in shares)			(451,097)					451,097
Repurchase of common shares	(90,000)	(90,000)						$ (90,000)
Issuance of common shares related to employee stock transactions (in shares)			126,500
Issuance of common shares related to employee stock transactions	0		$ 1		(1)
Taxes paid on stock-based compensation	(16,830)	(16,830)			(16,830)
Stock-based compensation	$ 24,616	24,616			24,616
Balance at ending of period, common stock (in shares) at Dec. 31, 2022	12,033,247		7,181,554
Ending Balance at Dec. 31, 2022	$ 822,936	$ 817,019	$ 120	$ 0	$ 1,286,244	$ 130,261	$ (358)	$ (599,248)	$ 5,917
Balance at ending of period, preferred (in shares) at Dec. 31, 2022				0
Balance at ending of period, treasury stock (in shares) at Dec. 31, 2022	4,851,693							4,851,693
Increase (Decrease) in Redeemable Non-controlling Interests [Roll Forward]
Net income (loss)	$ (10,148)
Net subscriptions (redemptions) and other	(15,099)
Balance at Dec. 31, 2022	$ 113,718