Consolidated Statements of Operations and Comprehensive Income (Loss) (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Consolidated Statements of Operations and Comprehensive Loss
Equity based compensation	$ 112,252us-gaap_ShareBasedCompensation	$ 365,280us-gaap_ShareBasedCompensation
Discontinued operations, income tax expense	$ (1,354)	$ (3,249)	$ 272,553

Income tax expense or benefit attributable to Income or Loss from discontinued operations during the phase-out period.

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

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-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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