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Concentration of Credit Risk and Fair Value of Financial Assets and Liabilities (Details)
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6 Months Ended | 12 Months Ended |
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Jun. 30, 2013
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Dec. 31, 2012
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| Concentration Risk [Line Items] | ||
| Concentration Risk, Percentage | 95.00% | 96.00% |
| Concentration Risk, Customer | four | four |
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- Definition
Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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