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Equity Investments (Investments Accounted For By The Equity Method) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013 | Oct. 11, 2012
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity investments and investments in subsidiaries | $ 373,215 |  | $ 373,215 |  | $ 440,068 |
(Income) loss from equity method investments | 34,477 | (51,322) | (163,567) | (162,640) |  |
Tatex Thailand II, LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 23.50% |  | 23.50% |  |  |
Equity investments and investments in subsidiaries |  |  |  |  |  |
(Income) loss from equity method investments | (475) | (170) | (475) | (375) |  |
Tatex Thailand III, LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 17.90% |  | 17.90% |  |  |
Equity investments and investments in subsidiaries | 12,190 |  | 12,190 |  | 10,774 |
(Income) loss from equity method investments | 47 | 64 | 217 | 157 |  |
Grizzly Oil Sands ULC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 24.9999% |  | 24.9999% |  |  |
Equity investments and investments in subsidiaries | 189,182 |  | 189,182 |  | 191,473 |
(Income) loss from equity method investments | 4,633 | 862 | 8,862 | 2,125 |  |
Bison Drilling And Field Services LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 40.00% |  | 40.00% |  |  |
Equity investments and investments in subsidiaries | 28,950 |  | 28,950 |  | 12,318 |
(Income) loss from equity method investments | (1,273) | 1,258 | 331 | 1,281 |  |
Muskie Proppant LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 25.00% |  | 25.00% |  |  |
Equity investments and investments in subsidiaries | 8,056 |  | 8,056 |  | 7,544 |
(Income) loss from equity method investments | 55 | 53 | 488 | 869 |  |
Timber Wolf Terminals LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 50.00% |  | 50.00% |  |  |
Equity investments and investments in subsidiaries | 995 |  | 995 |  | 1,001 |
(Income) loss from equity method investments | 7 | 0 | 7 | 8 |  |
Windsor Midstream LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 22.50% |  | 22.50% |  |  |
Equity investments and investments in subsidiaries | 13,531 |  | 13,531 |  | 10,632 |
(Income) loss from equity method investments | (301) | (14) | (504) | (872) |  |
Stingray Pressure Pumping LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 50.00% |  | 50.00% |  |  |
Equity investments and investments in subsidiaries | 20,040 |  | 20,040 |  | 19,624 |
(Income) loss from equity method investments | (351) | (293) | 1,792 | (677) |  |
Stingray Cementing LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 50.00% |  | 50.00% |  |  |
Equity investments and investments in subsidiaries | 2,970 |  | 2,970 |  | 3,291 |
(Income) loss from equity method investments | (12) | (31) | 189 | 38 |  |
Blackhawk Midstream LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 50.00% |  | 50.00% |  |  |
Equity investments and investments in subsidiaries | 0 |  | 0 |  | 0 |
(Income) loss from equity method investments | 0 | 174 | (84,787) | 296 |  |
Stingray Logistics LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 50.00% |  | 50.00% |  |  |
Equity investments and investments in subsidiaries | 1,316 |  | 1,316 |  | 903 |
(Income) loss from equity method investments | (256) | (78) | (413) | (24) |  |
Diamondback Energy, Inc [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 1.70% |  | 1.70% |  |  |
Equity investments and investments in subsidiaries | 70,443 |  | 70,443 |  | 178,708 | 138,500
(Income) loss from equity method investments | 32,412 | (52,945) | (89,300) | (165,402) |  |
Stingray Energy Services LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 50.00% |  | 50.00% |  |  |
Equity investments and investments in subsidiaries | 4,854 |  | 4,854 |  | 3,800 |
(Income) loss from equity method investments | (9) | (202) | 26 | (64) |  |
Sturgeon Acquisitions LLC [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Approximate Ownership % | 25.00% |  | 25.00% |  |  |
Equity investments and investments in subsidiaries | 20,688 |  | 20,688 |  | 0 |
(Income) loss from equity method investments | $ 0 | $ 0 | $ 0 | $ 0 |  |

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 + Details
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.12) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 + Details
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