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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified | 2 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2012 | Nov. 05, 2012 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Tax Contingency [Line Items] |  |  |  |  |
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate |  |  | $ 4,047 | $ 6,304 | $ 5,316
Current Income Tax Expense (Benefit) |  |  | 4,738 | 9,691 | 4,844
Deferred Income Tax Expense (Benefit) |  |  | (18,762) | (4,328) | 258
Income Tax Reconciliation, Permanent Differences |  |  | 300 | 15 | (218)
Income Tax Expense (Benefit) | 64 | (14,088) | (14,024) | 5,363 | 5,102
Deferred Tax Liabilities, Property, Plant and Equipment | (36) |  | (36) | (17,011) |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals | 1 |  | 1 | 60 |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Tank and pipeline inspection liabilities | 2 |  | 2 | 113 |
Deferred Tax Assets, Operating Loss Carryforwards | 0 |  | 0 | 626 |
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost | 0 |  | 0 | 237 |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations | 1 |  | 1 | 280 |
Deferred Tax Assets, Derivative Instruments | 0 |  | 0 | (6) |
Deferred Tax Assets, Deferred Income | 0 |  | 0 | 343 |
Deferred tax Assets, Non-Current, Tank Inspection Liability | 6 |  | 6 | 1,145 |
Deferred Tax Asset, Non-Current, Contingent Liabilities | 13 |  | 13 | 1,684 |
Deferred Tax Asset, State Bonus Depreciation | 0 |  | 0 | 129 |
Deferred Tax Liabilities, Other | (1) |  | (1) | (11) |
Deferred Tax Assets, Valuation Allowance, Noncurrent | 0 |  | 0 | (6,914) |
Deferred Tax Liabilities, Net, Noncurrent | (17) |  | (17) | (19,498) |
Deferred Tax Liabilities, Net | (3) |  | (3) | (18,765) |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies | 11 |  | 11 | 632 |
Deferred Tax Assets, Valuation Allowance, Current | 0 |  | 0 | (72) |
Deferred Tax Assets, Net of Valuation Allowance, Current | 14 |  | 14 | 733 |
Tax benefit from conversion to Partnership |  |  | 18,534 |  |
Income Tax Reconciliation, Other Adjustments |  |  | 28 | (66) | (28)
Income Tax Reconciliation, State and Local Income Taxes |  |  | (58) | 255 | 32
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance |  |  | $ 193 | $ (1,145) | $ 0

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