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Summary of Significant Accounting Policies (Intangible Assets Useful Life Narrative) (Details) | 12 Months Ended
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Dec. 31, 2013
Minimum |
Finite-Lived Intangible Asset, Useful Life | 1 year
Maximum |
Finite-Lived Intangible Asset, Useful Life | 17 years

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration