Note 1 - Partnership Organization (Details Textual) shares in Millions |
6 Months Ended | ||
|---|---|---|---|
|
Apr. 24, 2017
USD ($)
shares
|
Jul. 09, 2013
USD ($)
|
Jun. 30, 2026 |
|
| Partners' Capital Account, Contributions | $ 1,000 | ||
| Partners' Capital Account, Units, Sold in Public Offering (in shares) | shares | 19 | ||
| Partners' Capital Account, Public Sale of Units | $ 374,200,000 | ||
| Partners' Capital Account, Public Sale of Units Net of Offering Costs | $ 349,600,000 | ||
| Mountrail County, North Dakota [Member] | |||
| Gas and Oil Area Developed Net 1 | 24.00% | ||
| Mountrail County, North Dakota [Member] | Oil [Member] | |||
| Oil and Gas, Productive Well, Gross, Number | 308 |
| X | ||||||||||
- Definition Fractional interest owned based on working interests or other economic arrangements of area spaced or assigned to productive wells. No definition available.
|
| X | ||||||||||
- Definition Number of oil- and gas-producing wells and oil and gas wells capable of production with working interest ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Total contributions made by each class of partners (i.e., general, limited and preferred partners). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Monetary value of the issuance of new units of limited partnership interest in a public offering. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after offering cost, from issuance of new unit of limited partnership interest in public offering. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|