Receivables from and Payables to Broker-Dealers, Clearing Organizations, Customers and Related Broker-Dealers (Tables)

3 Months Ended

Mar. 31, 2018

Brokers And Dealers [Abstract]

Receivables from and Payables to Broker-Dealers, Clearing Organizations, Customers and Related Broker-Dealers

As of March 31, 2018 and December 31, 2017, Receivables from and payables to broker-dealers, clearing organizations, customers and related broker-dealers consisted of the following (in thousands):

	March 31, 2018		December 31, 2017
Receivables from broker-dealers, clearing organizations, customers and related broker-dealers:
Contract values of fails to deliver	$	1,221,708	$	586,486
Receivables from clearing organizations		152,276		133,682
Other receivables from broker-dealers and customers		8,323		10,968
Net pending trades		—		1,597
Open derivative contracts		24,745		12,669
Total	$	1,407,052	$	745,402
Payables to broker-dealers, clearing organizations, customers and related broker-dealers:
Contract values of fails to receive	$	1,150,397	$	567,460
Payables to clearing organizations		32,065		14,023
Other payables to broker-dealers and customers		15,259		18,164
Net pending trades		8,941		—
Open derivative contracts		13,153		7,933
Total	$	1,219,815	$	607,580