Securities Owned and Sold, Not Yet Purchased (Tables)

6 Months Ended

Jun. 30, 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
	June 30, 2015		December 31, 2014		June 30, 2015		December 31, 2014
Corporate stocks—trading securities	$	7,087	$	8,160	$	6,996	$	8,253
Mutual funds	3,525		3,913		—		—
Total	$	10,612	$	12,073	$	6,996	$	8,253