Stock-based Compensation - Schedule of Changes in Nonvested Stock Awards (Detail) (USD $)	3 Months Ended
Mar. 31, 2015
Time Based Options [Member]
Schedule of Stockbased Compensation Details Non Vested Stock Awards [Line Items]
Non-vested shares	23,937,000
Shares granted	8,682,000
Shares forfeited	(490,000)
Non-vested shares	32,129,000
Weighted average exercise price, non-vested (in Dollars per share)	$ 0.84
Weighted average exercise price, granted (in Dollars per share)	$ 1.83
Weighted average exercise price, forfeited (in Dollars per share)	$ 2.09
Weighted average exercise price, non-vested (in Dollars per share)	$ 1.09
Restricted Stock [Member]
Schedule of Stockbased Compensation Details Non Vested Stock Awards [Line Items]
Non-vested shares	525,000
Shares granted	20,384,000
Shares vested	(19,200,000)
Non-vested shares	1,709,000
Weighted average exercise price, non-vested (in Dollars per share)	$ 0.75
Weighted average exercise price, granted (in Dollars per share)	$ 1.66
Weighted average exercise price, vested (in Dollars per share)	$ 1.67
Weighted average exercise price, non-vested (in Dollars per share)	$ 1.66

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

Number of non-vested options outstanding.

+ References

No definition available.

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- Definition

Number of non-vested options forfeited.

+ References

No definition available.

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

+ References

No definition available.

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

+ References

No definition available.

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