Collateralized Transactions (Tables)

6 Months Ended

Jun. 30, 2017

Collateralized Transactions

Summary of the fair value of collateralized transactions

(in thousands)	2017		2016
Securities received as collateral:
Securities borrowed	$	274,815	$	213,203

Schedule of financial instruments owned and pledged, where counterparty has right to repledge

(in thousands)	2017		2016
Equities	$	149,773	$	128,202
Exchange traded notes		2,405		15,681
	$	152,178	$	143,883