Receivables From And Payables To Brokers, Dealers And Clearing Organizations (Tables)

6 Months Ended

Jun. 30, 2012

Receivables From And Payables To Brokers, Dealers And Clearing Organizations [Abstract]

Amounts Receivable From Brokers, Dealers, And Clearing Organizations

	June 30,		December 31,
	2012		2011
Deposits paid for securities borrowed	$	179,119	$	193,509
Receivable from clearing organizations		121,963		43,642
Securities failed to deliver		10,479		15,485
	$	311,561	$	252,636

Amounts Payable To Brokers, Dealers, And Clearing Organizations

	June 30,		December 31,
	2012		2011
Deposits received for securities loaned	$	151,313	$	124,711
Payable to clearing organizations		9,249		3,984
Securities failed to receive		8,526		11,216
	$	169,088	$	139,911