Receivables from and Payables to Brokers, Dealers, and Clearing Organizations (Tables)

3 Months Ended

Mar. 31, 2013

Receivables from and Payables to Brokers, Dealers, and Clearing Organizations

Schedule of amounts receivable from and payable to brokers, dealers and clearing organizations

(In thousands of dollars)	March 31, 2013		December 31,  2012
Deposits with clearing organizations	$	8,266	$	9,566
Receivable from clearing organizations	3,715		2,001
Receivable for unsettled trading activities	1,094		237
Underwriting and syndicate fees receivable	362		1,020
Total receivables	$	13,437	$	12,824
Payable to clearing organizations	408,666		638,009
Payable for unsettled trading activities	547		—
Total payables	$	409,213	$	638,009