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Summary of Significant Accounting Policies (Details 1)
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12 Months Ended |
|---|---|
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Dec. 31, 2011
Y
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Buildings and improvements [Member]
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| Estimated useful lives of our property and equipment | |
| Estimated Useful Lives Minimum | 7 |
| Estimated Useful Lives Maximum | 40 |
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Vehicles [Member]
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| Estimated useful lives of our property and equipment | |
| Estimated Useful Lives Minimum | 5 |
| Estimated Useful Lives Maximum | 12 |
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Landfill equipment [Member]
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| Estimated useful lives of our property and equipment | |
| Estimated Useful Lives Minimum | 7 |
| Estimated Useful Lives Maximum | 10 |
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Other Equipment [Member]
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| Estimated useful lives of our property and equipment | |
| Estimated Useful Lives Minimum | 3 |
| Estimated Useful Lives Maximum | 15 |
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Furniture and Fixtures [Member]
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| Estimated useful lives of our property and equipment | |
| Estimated Useful Lives Minimum | 5 |
| Estimated Useful Lives Maximum | 12 |