Consolidated Balance Sheets Parentheticals - shares shares in Millions |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2017 |
Dec. 31, 2016 |
|
| General Partner Ownership Interest Percentage | 2.00% | 2.00% |
| General Partners' Capital Account, Units Issued | 6.9 | 6.9 |
| General partner units outstanding | 6.9 | 6.9 |
| Common Units [Member] | ||
| Limited Partners' Capital Account, Units Issued | 57.1 | 57.1 |
| Partnership unitholders units outstanding | 57.1 | 57.1 |
| Class B Units [Member] | ||
| Limited Partners' Capital Account, Units Issued | 145.3 | 145.3 |
| Partnership unitholders units outstanding | 145.3 | 145.3 |
| Subordinated Units [Member] | ||
| Limited Partners' Capital Account, Units Issued | 135.4 | 135.4 |
| Partnership unitholders units outstanding | 135.4 | 135.4 |
| X | ||||||||||
- Definition The number of general partner units issued. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The number of general partner units outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The number of limited partner units issued. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The number of limited partner units outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|