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Earnings Per Share - Basic (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) $ / shares shares
Basic earnings per share
Net income available for common stockholders	$ 10,348
Less: Dividends and undistributed earnings allocated to participating securities	(221)
Net income available for common stockholders, net of dividends and undistributed earnings allocated to participating securities	$ 10,127
Weighted average shares of common stock outstanding
Outstanding | shares	38,210,209
Basic Earnings per share | $ / shares	$ 0.27
Class A
Weighted average shares of common stock outstanding
Outstanding | shares	38,210,209
Basic Earnings per share | $ / shares	$ 0.27
Virtu Financial
Weighted average shares of common stock outstanding
Ownership interest (as a percent)	28.10%

X

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.

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