Gas Reserves (Details) - USD ($)		9 Months Ended
		Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Gas Reserves [Abstract]
Total cumulative gas reserves investment		$ 188,000,000
Encana Gas reserves investment		178,000,000
Cumulative gross investment Jonah Wells		10,000,000
Additional Jonah Wells rate per therm		0.4725
Gas Reserves, Current		16,257,000	$ 17,094,000	$ 17,822,000
Gas Reserves Noncurrent Gross		171,280,000	170,453,000	169,300,000
Gas Reserves Amortization		67,304,000	55,901,000	51,516,000
Total Gas Reserves	[1]	120,233,000	131,646,000	135,606,000
Deferred Taxes Related To Gas Reserves		25,799,000	27,203,000	23,042,000
Net Gas Reserves Investment	[1]	94,434,000	104,443,000	112,564,000
Total gas reserves investment Jonah Wells		$ 7,000,000	$ 8,000,000	$ 9,700,000

[1] Our investment in additional wells included in total gas reserves was $7.0 million, $9.7 million and $8.0 million at September 30, 2016 and 2015 and December 31, 2015, respectively.