Concentration of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2014

Risks and Uncertainties [Abstract]

Summary of Funds Provided Ten Percent or More of Total Revenues

The concentration of credit risk with respect to advisory fees receivable is generally limited due to the short payment terms extended to clients by the Company. The following funds provided 10 percent or more of the total revenues of the Company:

	Years Ended December 31,
	2014			2013			2012
($ in thousands)
Virtus Premium AlphaSector™ Fund
Investment management, administration and transfer agent fees	$	61,566		$	41,921		$	27,987
Percent of total revenues		14	%		11	%		12	%
Virtus Multi-Sector Short Term Bond Fund
Investment management, administration and transfer agent fees	$	55,401		$	52,568		$	39,475
Percent of total revenues		12	%		14	%		17	%
Virtus Emerging Markets Opportunities Fund
Investment management, administration and transfer agent fees	$	50,435		$	53,202		$	29,818
Percent of total revenues		11	%		14	%		12	%