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Long-Term Incentive Plans (Tables) | 12 Months Ended
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Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of Activity in Outstanding Grants | A summary of activity in the outstanding grants during 2015 is as follows (in thousands):
| Phantom Units
Outstanding grants at January 1, 2015 | 115 |
Grants during the period | 52 |
Grants vested and paid during the period | (29 | )
Forfeitures during the period | (12 | )
Outstanding grants at December 31, 2015 | 126 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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