XML 66 R48.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Equity-Based Compensation Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Retirement Benefits [Abstract] |
Schedule of Service-Based And Performance-Based Awards | A summary of our phantom unit activity for our service-based and performance-based awards is set forth below:
| Service-Based Awards |  | Performance-Based Awards
| Number of Phantom Units |  | Average Grant Date Fair Value |  | Total Value (in thousands) |  | Number of Phantom Units |  | Average Grant Date Fair Value |  | Total Value (in thousands)
Unvested at December 31, 2017 | 239,837 |  |  | $ | 34.81 |  |  | $ | 8,349 |  |  | 582,375 |  |  | $ | 34.73 |  |  | $ | 20,228 |
Granted | 28,484 |  |  | $ | 22.12 |  |  | 630 |  |  | — |  |  | $ | — |  |  | — |
Forfeited | (17,073 | ) |  | $ | 31.46 |  |  | (537 | ) |  | (67,266 | ) |  | $ | 33.49 |  |  | (2,253 | )
Settled | (55,309 | ) |  | $ | 44.92 |  |  | (2,484 | ) |  | (137,103 | ) |  | $ | 45.40 |  |  | (6,224 | )
Unvested at December 31, 2018 | 195,939 |  |  | $ | 30.40 |  |  | $ | 5,958 |  |  | 378,006 |  |  | $ | 31.09 |  |  | $ | 11,751 |
Schedule of Equity-Based Compensation Expense | Equity-based compensation expense during the three years ended December 31, 2018 was as follows:
|  | Expense Related to Equity-Based Compensation Plans
Consolidated Statement of Operations |  | 2018 |  | 2017 |  | 2016
Onshore facilities and transportation operating costs |  | $ | 140 |  |  | $ | (1,137 | ) |  | $ | 1,688 |
Marine transportation operating costs |  | 183 |  |  | (483 | ) |  | 1,089 |
Sodium minerals and sulfur services operating costs |  | 112 |  |  | (533 | ) |  | 547 |
Offshore pipeline operating costs |  | 297 |  |  | (152 | ) |  | 681 |
General and administrative expenses |  | 1,239 |  |  | (2,272 | ) |  | 4,575 |
Total |  | $ | 1,971 |  |  | $ | (4,577 | ) |  | $ | 8,580 |

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration