Disclosure About Oil and Gas Producing Activities (Unaudited) (Details 1) bbl in Thousands, Mcf in Thousands	Dec. 31, 2015 bbl Mcf	Dec. 31, 2014 bbl Mcf	Dec. 31, 2013 bbl Mcf	Dec. 31, 2012 bbl Mcf
Oil Reserves [Member]
Reserve Quantities [Line Items]
Developed	22,175	28,481	20,566	10,531
Undeveloped	0	39,285	13,553	7,606
Total Proved	22,175	67,766	34,119	18,137
Natural Gas Reserves [Member]
Reserve Quantities [Line Items]
Developed | Mcf	2,336,280	2,245,004	1,777,267	1,820,994
Undeveloped | Mcf	0	2,586,190	1,632,475	1,145,451
Total Proved | Mcf	2,336,280	4,831,194	3,409,742	2,966,445
Natural Gas Liquids Reserves [Member]
Reserve Quantities [Line Items]
Developed	9,840	9,118	0	0
Undeveloped	0	12,875	0	0
Total Proved	9,840	21,993	0	0