Pro Forma Operations Results (Detail) (KSCP, USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
KSCP
Business Acquisition [Line Items]
Net revenues	$ 59,591	$ 42,680	$ 119,802	$ 80,960
Net income (loss)	$ 11,529	$ (6,945)	$ 19,559	$ (16,863)
Diluted income (loss) per common share	$ 0.40	$ (0.25)	$ 0.68	$ (0.60)

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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