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Defined Contribution Plan (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Defined Contribution Plan [Abstract] |  |  |
Required time period for employees for profit sharing plan | 3 months |  |
Maximum employer contribution as a percentage of employee contribution (in hundredths) | 50.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch |  |
Contribution expense recognized | $ 0 us-gaap_DefinedContributionPlanCostRecognized | $ 0 us-gaap_DefinedContributionPlanCostRecognized | $ 0 us-gaap_DefinedContributionPlanCostRecognized

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- Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Period consider for new employees to cover under defined contribution plan. + References No definition available. + Details
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