Business Combination (Details) - USD ($) $ in Thousands		12 Months Ended
	Apr. 10, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Investment to acquire majority interest			$ 5,000
Goodwill recorded		$ 1,441	$ 0	$ 0
Virtus ETF Solutions [Member]
Business Acquisition [Line Items]
Investment to acquire majority interest	$ 4,800
Goodwill recorded	1,400
Other intangible assets recorded	$ 2,400