Gas Reserves (Details) - USD ($)		3 Months Ended
		Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
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		15,378,000	$ 15,926,000	$ 16,420,000
Gas Reserves Noncurrent Gross		172,158,000	171,610,000	171,121,000
Gas Reserves Amortization		75,528,000	71,426,000	59,976,000
Total Gas Reserves	[1]	112,008,000	116,110,000	127,565,000
Deferred Taxes Related To Gas Reserves		32,179,000	28,119,000	28,547,000
Net Gas Reserves Investment		79,829,000	87,991,000	99,018,000
Total gas reserves investment Jonah Wells		$ 6,500,000	$ 6,700,000	$ 7,600,000

[1] Our net investment in additional wells included in total gas reserves was $6.5 million, $7.6 million and $6.7 million at March 31, 2017 and 2016 and December 31, 2016, respectively.