XML 78 R67.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Subsequent Events (Narrative) (Details) | 1 Months Ended | 3 Months Ended
--- | --- | ---
Aug. 09, 2017 MMBTU $ / MMBTU | Jun. 30, 2017 MMBTU $ / MMBTU
2018 |  |
Subsequent Event [Line Items] |  |
Daily Volume (in MMBtu) | MMBTU |  | 30,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU |  | 3.36
NYMEX Henry Hub | 2017 |  |
Subsequent Event [Line Items] |  |
Daily Volume (in MMBtu) | MMBTU |  | 681,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU |  | 3.20
NYMEX Henry Hub | 2018 |  |
Subsequent Event [Line Items] |  |
Daily Volume (in MMBtu) | MMBTU |  | 669,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU |  | 3.08
NYMEX Henry Hub | 2019 |  |
Subsequent Event [Line Items] |  |
Daily Volume (in MMBtu) | MMBTU |  | 57,000
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU |  | 3.10
Subsequent event | NYMEX Henry Hub | 2017 |  |
Subsequent Event [Line Items] |  |
Daily Volume (in MMBtu) | MMBTU | 66,000 |
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU | 3.08 |
Subsequent event | NYMEX Henry Hub | 2018 |  |
Subsequent Event [Line Items] |  |
Daily Volume (in MMBtu) | MMBTU | 105,000 |
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU | 2.94 |
Subsequent event | NYMEX Henry Hub | 2019 |  |
Subsequent Event [Line Items] |  |
Daily Volume (in MMBtu) | MMBTU | 50,000 |
Weighted average price (in usd per MMBtu or Bbls) | $ / MMBTU | 3.04 |

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- Definition Average fixed price related to the group of price risk swap derivatives. + References No definition available. + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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