| Cover Page Document | Oct. 23, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 23, 2020 |
| Entity Registrant Name | VIRTUS INVESTMENT PARTNERS, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-10994 |
| Entity Tax Identification Number | 26-3962811 |
| Entity Address, Address Line One | One Financial Plaza |
| Entity Address, City or Town | Hartford |
| Entity Address, State or Province | CT |
| Entity Address, Postal Zip Code | 06103 |
| City Area Code | 800 |
| Local Phone Number | 248-7971 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.01 par value |
| Trading Symbol | VRTS |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000883237 |
| Amendment Flag | false |
