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Geographic Information and Business Segments (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of total revenues by geographic area

The following table presents total revenues by geographic area for the three months ended March 31, 2018 and 2017:

(in thousands)		2018				2017
Revenues:
United States		$	743,152			$	91,987
Ireland		14,023				28,251
United Kingdom		11,600				—
Singapore		46,200				27,006
Others		78				43
Total revenues		815,053				147,287

Schedule of revenues, income (loss) before income taxes (“Pre-tax earnings”) and total assets by segment

The Company’s total revenues and income before income taxes and noncontrolling interest (“Pre-tax earnings”) by segment for the three months ended March 31, 2018 and 2017 are summarized in the following table:

(in thousands)	Market Making				Execution Services				Corporate (1)				Consolidated Total
2018:
Total revenue	$	432,536			$	383,779			$	(1,262	)		$	815,053
Income before income taxes and noncontrolling interest	163,163				331,185				(25,812		)		468,536
2017:
Total revenue	$	144,448			$	2,779			$	60			$	147,287
Income (loss) before income taxes and noncontrolling interest	23,465				489				(72		)		23,882
(1)  Amounts shown in the Corporate segment include eliminations of income statement and balance sheet items included in the Company's other segments.

X

- Definition

Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph a
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
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-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599

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