Securities Owned and Sold, Not Yet Purchased (Tables)

3 Months Ended

Mar. 31, 2015

Securities Owned and Sold, Not Yet Purchased

Summary of securities owned and securities sold, not yet purchased

	Securities Owned				Securities Sold, Not Yet Purchased
	March 31, 2015		December 31, 2014		March 31, 2015		December 31, 2014
Corporate stocks—trading securities	$	8,453	$	8,160	$	8,552	$	8,253
Mutual funds	3,751		3,913		—		—
Total	$	12,204	$	12,073	$	8,552	$	8,253