Business Segments (Tables)

9 Months Ended

Sep. 30, 2016

Segment Reporting [Abstract]

Revenues, Pre-tax Earnings and Total Assets by Segment

The Company’s revenues, (loss) income before income taxes (“Pre-tax earnings”) and total assets by segment are summarized in the following table (in thousands):

	Market Making			Global Execution Services			Corporate and Other			Consolidated Total
For the three months ended September 30, 2016:
Revenues	$	136,107		$	63,713		$	8,712		$	208,532
Pre-tax earnings	(13,776		)	(439		)	(13,759		)	(27,974		)
Total assets	5,280,491			1,060,460			409,650			6,750,601
For the three months ended September 30, 2015:
Revenues	$	299,755		$	69,713		$	7,568		$	377,036
Pre-tax earnings	85,419			(1,050		)	(48,951		)	35,419
Total assets	5,125,761			798,956			925,452			6,850,169
For the nine months ended September 30, 2016:
Revenues	$	606,849		$	208,245		$	58,776		$	873,870
Pre-tax earnings	102,223			7,506			(23,173		)	86,556
Total assets	5,280,491			1,060,460			409,650			6,750,601
For the nine months ended September 30, 2015:
Revenues	$	716,631		$	597,502		$	20,941		$	1,335,074
Pre-tax earnings	129,160			370,072			(114,799		)	384,433
Total assets	5,125,761			798,956			925,452			6,850,169