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Equity Method Investments	12 Months Ended
Equity Method Investments	Dec. 31, 2019
Equity Method Investments [Abstract]
Equity Method Investment	(16) EQUITY METHOD INVESTMENTS Savoy Energy, L.P. On March 9, 2018 we sold our entire 30.6% partnership interest to Savoy for $8 million. The carrying value of the investment included in our consolidated balance sheets as of December 31, 2017, was $8.0 million. Our net proceeds were $7.5 million after commissions paid to a related party, which were applied to our bank debt as required under the agreement. The sale resulted in a loss of $538,000 for the year ended December 31, 2018. Sunrise Energy, LLC We own a 50% interest in Sunrise Energy, LLC, which owns gas reserves and gathering equipment with plans to develop and operate such reserves. Sunrise Energy also plans to develop and explore for oil, gas and coal-bed methane gas reserves on or near our underground coal reserves. The carrying value of the investment included in our consolidated balance sheets as of December 31, 2019 and December 31, 2018, was $3.1 million and $3.7 million, respectively. Sunrise Energy plans to develop and explore for oil, gas and coal-bed methane gas reserves on or near our underground coal reserves.