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Subsequent Event (Details) - Hamilton Dome Field - Subsequent Event $ in Millions	Nov. 01, 2019 USD ($) well
Subsequent Event [Line Items]
Non-operating working interest, percent	23.51%
Revenue interest, percent	19.70%
Consideration for working and revenue interest | $	$ 9.5
Number of wells | well	265

X

- Definition

Non-Operating Working Interest, Percent

+ References

No definition available.

+ Details

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- Definition

Revenue Interest, Percent

+ References

No definition available.

+ Details

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X

- Definition

Number of producing oil wells and oil wells capable of production with working interest ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1208
-Paragraph (a)

+ Details

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X

- Definition

The cash outflow to purchase long lived physical asset for use in the normal oil and gas operations and to purchase mineral interests in oil and gas properties not intended for resale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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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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- Details

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- Details

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