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Summary of Signicant Accounting Policies (Narrative) (Details)
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12 Months Ended |
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Dec. 31, 2013
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| Financing Receivable, Recorded Investment, Aging [Abstract] | |
| Threshold Period Past Due for Write-off of Financing Receivable | 121 days |
| Revenue Recognition [Abstract] | |
| Threshold Period Past Due For Recognition Of Insurance Income | 120 days |