Income Taxes (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013
Valuation allowance
Deferred tax assets, net of valuation allowance	$ 0
United States
Valuation allowance
Period of cumulative loss position	3 years
Percentage of valuation allowance	100.00%

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b),(c)

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

Name:	us-gaap_DeferredTaxAssetsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant