Trading Securities Owned and Trading Securities Sold, But Not Yet Purchased (Tables)

6 Months Ended

Jun. 30, 2011

Trading Securities Owned and Trading Securities Sold, But Not Yet Purchased

Components of Trading Securities Owned and Trading Securities Sold, But Not Yet Purchased

	June 30,2011		December 31, 2010
Trading securities owned:
U.S. government agency securities	$	141,510	$	86,882
U.S. government securities		25,975		9,038
Corporate securities:
Fixed income securities		290,673		221,145
Equity securities		40,789		46,877
State and municipal securities		105,017		80,228
	$	603,964	$	444,170
Trading securities sold, but not yet purchased:
U.S. government securities	$	106,666	$	131,561
U.S. government agency securities		6,380		664
Corporate securities:
Fixed income securities		156,969		61,026
Equity securities		21,187		6,800
State and municipal securities		263		89
	$	291,465	$	200,140