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

6 Months Ended

Jun. 30, 2017

Brokers And Dealers [Abstract]

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

As of June 30, 2017 and December 31, 2016, Receivables from and payables to broker-dealers, clearing organizations, customers and related broker-dealers consisted of the following (in thousands):

	June 30, 2017		December 31, 2016
Receivables from broker-dealers, clearing organizations,    customers and related broker-dealers:
Contract values of fails to deliver	$	1,475,662	$	344,962
Receivables from clearing organizations		157,117		135,175
Other receivables from broker-dealers and customers		7,920		13,993
Net pending trades		3,775		—
Open derivative contracts		3,212		3,427
Total	$	1,647,686	$	497,557
Payables to broker-dealers, clearing organizations, customers    and related broker-dealers:
Contract values of fails to receive	$	1,414,785	$	301,873
Payables to clearing organizations		53,657		22,170
Other payables to broker-dealers and customers		12,355		19,581
Net pending trades		—		29,962
Open derivative contracts		7,351		1,566
Total	$	1,488,148	$	375,152