Unbilled Revenue (Details)	Dec. 31, 2015 USD ($) Mcf	Jun. 30, 2015 USD ($) Mcf
Deferred Revenue Arrangement [Line Items]
Unbilled revenues	$ 4,411	$ 1,674
Unbilled gas costs	$ 1,549	$ 462
Unbilled volumes (in Mcf) \| Mcf	336	69

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Period Type:	duration