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Investments in Non-Controlled Entities Investments in Non-Controlled Entities (Details) (USD $)
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12 Months Ended |
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Change in Equity Method Investments [Roll Forward] |
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| Equity Method Investments, Beginning Balance |
$ 107,356,000 |
$ 35,594,000 |
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| Payments to Acquire Equity Method Investments |
250,495,000 |
74,934,000 |
8,094,000 |
| Proportionate Share of Equity Earnings |
6,939,000 |
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| Amortization of Excess Investment |
(664,000) |
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| Income (Loss) from Equity Method Investments |
6,275,000 |
2,961,000 |
6,763,000 |
| Distributions from investments in non-controlled entities |
2,494,000 |
2,961,000 |
5,598,000 |
| Distributions in excess of earnings of non-controlled entities |
780,000 |
4,832,000 |
0 |
| Equity Method Investments, Ending Balance |
360,852,000 |
107,356,000 |
35,594,000 |
| Equity Method Investments Unamortized Excess Investment Net |
15,100,000 |
15,800,000 |
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Marine Storage Segment [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Storage Capacity |
26,000,000 |
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Crude Oil Pipeline and Terminals Segment [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Storage Capacity |
18,000,000 |
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Texas Frontera Llc [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Equity Method Investment, Ownership Percentage |
50.00% |
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| Storage Capacity |
1,000,000 |
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Texas Frontera Llc [Member] | Marine Storage Segment [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Equity Method Investment, Ownership Percentage |
50.00% |
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| Storage Capacity |
1,000,000 |
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| Change in Equity Method Investments [Roll Forward] |
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| Equity Method Investments, Beginning Balance |
15,728,000 |
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| Payments to Acquire Equity Method Investments |
0 |
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| Proportionate Share of Equity Earnings |
2,494,000 |
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| Amortization of Excess Investment |
0 |
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| Income (Loss) from Equity Method Investments |
2,494,000 |
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| Distributions from investments in non-controlled entities |
2,494,000 |
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| Distributions in excess of earnings of non-controlled entities |
780,000 |
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| Equity Method Investments, Ending Balance |
14,948,000 |
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Osage Pipeline Co [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Equity Method Investment, Ownership Percentage |
50.00% |
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| Pipeline, Length |
135 |
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Osage Pipeline Co [Member] | Crude Oil Pipeline and Terminals Segment [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Equity Method Investment, Ownership Percentage |
50.00% |
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| Pipeline, Length |
135 |
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| Change in Equity Method Investments [Roll Forward] |
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| Equity Method Investments, Beginning Balance |
18,888,000 |
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| Payments to Acquire Equity Method Investments |
0 |
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| Proportionate Share of Equity Earnings |
4,383,000 |
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| Amortization of Excess Investment |
(664,000) |
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| Income (Loss) from Equity Method Investments |
3,719,000 |
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| Distributions from investments in non-controlled entities |
0 |
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| Distributions in excess of earnings of non-controlled entities |
0 |
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| Equity Method Investments, Ending Balance |
22,607,000 |
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| Equity Method Investments Excess Investment Gross |
21,700,000 |
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| Equity Method Investments Unamortized Excess Investment Net |
15,100,000 |
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Double Eagle Pipeline Llc [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Equity Method Investment, Ownership Percentage |
50.00% |
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| Pipeline, Length |
195 |
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| Related Party Transaction, Other Revenues from Transactions with Related Party |
1,400,000 |
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| Accounts Receivable, Related Parties, Current |
200,000 |
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Double Eagle Pipeline Llc [Member] | Crude Oil Pipeline and Terminals Segment [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Equity Method Investment, Ownership Percentage |
50.00% |
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| Pipeline, Length |
195 |
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| Change in Equity Method Investments [Roll Forward] |
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| Equity Method Investments, Beginning Balance |
40,840,000 |
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| Payments to Acquire Equity Method Investments |
35,500,000 |
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| Proportionate Share of Equity Earnings |
82,000 |
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| Amortization of Excess Investment |
0 |
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| Income (Loss) from Equity Method Investments |
82,000 |
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| Distributions from investments in non-controlled entities |
0 |
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| Distributions in excess of earnings of non-controlled entities |
0 |
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| Equity Method Investments, Ending Balance |
76,422,000 |
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BridgeTex [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Equity Method Investment, Ownership Percentage |
50.00% |
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| Pipeline, Length |
450 |
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BridgeTex [Member] | Sale of Emission Reduction Credits [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Related Party Transaction, Amounts of Transaction |
(4,800,000) |
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BridgeTex [Member] | Sale of Easement Rights [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Related Party Transaction, Amounts of Transaction |
(1,400,000) |
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BridgeTex [Member] | Sale of Easement Rights [Member] | Income Statement [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Related Party Transaction, Amounts of Transaction |
(700,000) |
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BridgeTex [Member] | Sale of Easement Rights [Member] | Deferred Income [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Related Party Transaction, Amounts of Transaction |
(700,000) |
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BridgeTex [Member] | Crude Oil Pipeline and Terminals Segment [Member]
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| Schedule of Equity Method Investments [Line Items] |
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| Equity Method Investment, Ownership Percentage |
50.00% |
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| Pipeline, Length |
450 |
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| Change in Equity Method Investments [Roll Forward] |
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| Equity Method Investments, Beginning Balance |
31,900,000 |
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| Payments to Acquire Equity Method Investments |
214,995,000 |
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| Proportionate Share of Equity Earnings |
(20,000) |
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| Amortization of Excess Investment |
0 |
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| Income (Loss) from Equity Method Investments |
(20,000) |
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| Distributions from investments in non-controlled entities |
0 |
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| Distributions in excess of earnings of non-controlled entities |
0 |
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| Equity Method Investments, Ending Balance |
$ 246,875,000 |
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