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Leased Properties (Details) (USD $)
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3 Months Ended | 6 Months Ended | 1 Months Ended | 3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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Dec. 31, 2013
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Dec. 31, 2012
Pinedale Liquids Gathering System [Member]
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Jun. 30, 2014
Pinedale Liquids Gathering System [Member]
mi
Point
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Jun. 30, 2013
Pinedale Liquids Gathering System [Member]
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Jun. 30, 2014
Pinedale Liquids Gathering System [Member]
Point
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Jun. 30, 2013
Pinedale Liquids Gathering System [Member]
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Dec. 20, 2012
Secured Debt [Member]
Key Bank [Member]
Pinedale Liquids Gathering System [Member]
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| Sale Leaseback Transaction [Line Items] | |||||||||||
| Length of transmission lines physical assets | 150 | ||||||||||
| Number of receipt points | 107 | 107 | |||||||||
| Estimated useful lives of assets | 26 years | ||||||||||
| Settlement date | Dec. 20, 2012 | ||||||||||
| Long-term debt (net of current maturities) | $ 65,296,000 | $ 65,296,000 | $ 67,060,000 | $ 70,000,000 | |||||||
| Ownership percentage by noncontrolling owners | 18.95% | ||||||||||
| Non controlling economic interest pinedale GP | 81.05% | ||||||||||
| Depreciation expense | $ 3,204,911 | $ 2,857,412 | $ 6,336,548 | $ 5,714,448 | $ 2,200,000 | $ 2,200,000 | $ 4,400,000 | $ 4,400,000 | |||