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

9 Months Ended

Sep. 30, 2018

Due To And From Broker Dealers And Clearing Organizations [Abstract]

Amounts Receivable From Brokers, Dealers, And Clearing Organizations

Amounts receivable from brokers, dealers, and clearing organizations at September 30, 2018 and December 31, 2017, included (in thousands):

	September 30, 2018		December 31, 2017
Receivables from clearing organizations	$	440,154	$	270,285
Deposits paid for securities borrowed		170,165		132,776
Securities failed to deliver		35,801		56,046
	$	646,120	$	459,107

Amounts Payable To Brokers, Dealers, And Clearing Organizations

Amounts payable to brokers, dealers, and clearing organizations at September 30, 2018 and December 31, 2017, included (in thousands):

	September 30, 2018		December 31, 2017
Deposits received from securities loaned	$	691,150	$	219,782
Payable to clearing organizations		201,510		27,223
Securities failed to receive		35,472		29,297
	$	928,132	$	276,302