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Concentration of Credit Risk (Tables) | 12 Months Ended
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Dec. 31, 2022
Risks and Uncertainties [Abstract] |
Summary of Funds Provided Ten Percent or More of Total Revenues | The following Company clients or sponsored funds provided 10 percent or more of the Company's investment management, administration and shareholder service fee revenues:
|  | 2022 |  | 2021 |  | 2020
Virtus KAR Small Cap Growth Fund |  | * |  | * |  | 10%
* Less than 10 percent of total revenues of the Company

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