Supplemental Oil and Gas Information (Unaudited) - Proved Oil and Gas Quantities (Details) - $ / bbl |
12 Months Ended | |
|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
|
| Oil | ||
| Average Sales Price and Production Costs Per Unit of Production [Line Items] | ||
| Average sales prices (in usd per bbl) | 34.11 | 58.93 |
| X | ||||||||||
- Definition 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.
|
| X | ||||||||||
- Definition The revenues derived from sales of oil or gas in each geographic area during the reporting period divided by the number of barrels of oil produced or thousands of cubic feet of gas produced. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|