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Customer Acquisitions	12 Months Ended
Customer Acquisitions	Dec. 31, 2016
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Customer Acquisitions	Customer Acquisitions During the first quarter of 2015, the Company entered into a purchase and sale agreement for the purchase of approximately 9,500 RCEs in Northern California for a purchase price of $2.0 million. The transaction closed in April 2015. The purchase price was capitalized as customer relationships in our consolidated balance sheet and is being amortized over a three-year period as customers use natural gas under a contract with the Company. During the fourth quarter of 2014, the Company entered into two purchase and sale agreements for the purchase of approximately 12,500 RCEs in Connecticut for a purchase price of approximately $2.2 million. The purchase prices are capitalized as customer relationships to be amortized over a three year period as customers begin using electricity under a contract with the Company. As of December 31, 2014 the Company had paid and capitalized approximately $1.5 million related to these purchases.