Income Taxes (Details 4) (USD $) In Thousands, unless otherwise specified	5 Months Ended	12 Months Ended
Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Jul. 31, 2011
Summary of change in the valuation allowance for deferred income taxes
Balance at beginning of year	$ 6,522	$ 11,861	$ 6,523	$ 4,391
Additions charged to costs and expenses included in Reserves for valuation allowances deducted from deferred income taxes	1	4,792	5,338	2,131
Reserves for valuation allowances deducted from deferred income taxes deductions
Balance at end of year	$ 6,523	$ 16,653	$ 11,861	$ 6,522

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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- Definition

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

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