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Fair Value Measurements - Changes in Fair Value of Recurring Fair Value Measurements Using Significant Unobservable Inputs (Level 3) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Fair Value Disclosures [Abstract]
Beginning balance	$ 81,500
Adjustments to fair value measurement impacting the Statement of Stockholders' Deficit and Redeemable Instruments	8,357
Adjustments to fair value measurement impacting the Statement of Operations	(490)
Termination of Redemption Feature on common stock and Put Option	(89,367)
Ending balance

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- Definition

Liabilities And Equity Fair Value Disclosure

+ References

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- Definition

Termination Of Redemption Feature On Common Stock And Put Option

+ References

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- Definition

Amount of realized and unrealized gain (loss) included in earnings, which have arisen from the use of significant unobservable inputs (level 3) to measure fair value of assets, liabilities, and financial instruments classified in shareholders' equity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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- Definition

Amount of transfers of financial instrument classified in shareholders' equity into (out of) level 3 of the fair value hierarchy.

+ References

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