Receivable From and Payable to Brokers, Dealers and Clearing Organizations (Tables)

12 Months Ended

Dec. 31, 2018

Brokers and Dealers [Abstract]

Receivable from and Payable to Brokers, Dealers and Clearing Organizations

(Expressed in thousands)
	As of December 31,
	2018		2017
Receivable from brokers, dealers and clearing organizations consists of:
Securities borrowed	$	108,144	$	132,368
Receivable from brokers	20,140		19,298
Securities failed to deliver	7,021		9,442
Clearing organizations	28,777		24,361
Other	2,411		1,646
Total	$	166,493	$	187,115
Payable to brokers, dealers and clearing organizations consists of:
Securities loaned	$	146,815	$	180,270
Payable to brokers	158		1,567
Securities failed to receive	27,799		17,559
Other	114,435		12,087
Total	$	289,207	$	211,483