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Equity Investments (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 9 Months Ended | 9 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | |||||||||||||||||||||||||
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Sep. 30, 2011
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Dec. 31, 2011
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Sep. 30, 2012
Tatex Thailand II, LLC [Member]
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Dec. 31, 2011
Tatex Thailand II, LLC [Member]
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Sep. 30, 2012
Tatex Thailand III, LLC [Member]
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Sep. 30, 2011
Tatex Thailand III, LLC [Member]
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Dec. 31, 2011
Tatex Thailand III, LLC [Member]
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Sep. 30, 2012
Grizzly Oil Sands ULC [Member]
lease_block
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Sep. 30, 2011
Grizzly Oil Sands ULC [Member]
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Sep. 30, 2012
Grizzly Oil Sands ULC [Member]
lease_block
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Sep. 30, 2011
Grizzly Oil Sands ULC [Member]
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Dec. 31, 2011
Grizzly Oil Sands ULC [Member]
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Dec. 07, 2011
Grizzly Oil Sands ULC [Member]
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Apr. 30, 2012
Bison Drilling And Field Services LLC [Member]
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Sep. 30, 2012
Bison Drilling And Field Services LLC [Member]
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Sep. 30, 2012
Bison Drilling And Field Services LLC [Member]
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May 15, 2012
Bison Drilling And Field Services LLC [Member]
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Dec. 31, 2011
Bison Drilling And Field Services LLC [Member]
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Sep. 30, 2011
Bison Drilling And Field Services LLC [Member]
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Sep. 30, 2012
Muskie Holdings LLC [Member]
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Sep. 30, 2012
Muskie Holdings LLC [Member]
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Dec. 31, 2011
Muskie Holdings LLC [Member]
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Sep. 30, 2012
Timber Wolf Terminals LLC [Member]
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Sep. 30, 2012
Timber Wolf Terminals LLC [Member]
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Mar. 31, 2012
Timber Wolf Terminals LLC [Member]
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Dec. 31, 2011
Timber Wolf Terminals LLC [Member]
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Sep. 30, 2012
Windsor Midstream LLC [Member]
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Sep. 30, 2012
Windsor Midstream LLC [Member]
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Mar. 31, 2012
Windsor Midstream LLC [Member]
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Dec. 31, 2011
Windsor Midstream LLC [Member]
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Sep. 30, 2012
Stingray Pressure Pumping LLC [Member]
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Sep. 30, 2012
Stingray Pressure Pumping LLC [Member]
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Dec. 31, 2011
Stingray Pressure Pumping LLC [Member]
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Sep. 30, 2012
Stingray Cementing LLC [Member]
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Dec. 31, 2011
Stingray Cementing LLC [Member]
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Sep. 30, 2012
Blackhawk Midstream LLC [Member]
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Sep. 30, 2012
Blackhawk Midstream LLC [Member]
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Dec. 31, 2011
Blackhawk Midstream LLC [Member]
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Sep. 30, 2012
Apico Llc [Member]
Tatex Thailand II, LLC [Member]
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Mar. 31, 2012
MidMar Gas LLC [Member]
Windsor Midstream LLC [Member]
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Sep. 30, 2012
Southeast Asia [Member]
Apico Llc [Member]
Tatex Thailand II, LLC [Member]
acre
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Sep. 30, 2012
Wexford Capital Lp [Member]
Tatex Thailand III, LLC [Member]
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| Schedule of Equity Method Investments [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||
| Ownership interest | 23.50% | 17.90% | 24.9999% | 24.9999% | 40.00% | 25.00% | 25.00% | 50.00% | 22.50% | 50.00% | 50.00% | 50.00% | 50.00% | 50.00% | |||||||||||||||||||||||||||||||
| Equity Method Investment, Number of Lease Blocks Owned by Affiliate | 11 | 11 | |||||||||||||||||||||||||||||||||||||||||||
| Equity shares owned by affiliate | 85,122 | ||||||||||||||||||||||||||||||||||||||||||||
| Equity Method Investment, Total Shares Outstanding of Sub Affiliate | 1,000,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Gas and Oil Area, Developed, Gross, Held by Sub Affiliate | 2,000,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Distributions received | $ 710 | $ 750 | $ 710 | ||||||||||||||||||||||||||||||||||||||||||
| Equity investments | 206,690 | 206,690 | 86,824 | 319 | 1,030 | 8,683 | 8,282 | 164,974 | 164,974 | 69,008 | 14,109 | 14,109 | 6,366 | 5,840 | 5,840 | 2,138 | 952 | 952 | 7,928 | 7,928 | 3,599 | 3,599 | 286 | ||||||||||||||||||||||
| Remaining interests in investee, percent | 68.70% | ||||||||||||||||||||||||||||||||||||||||||||
| Cash calls paid | 627 | 93,436 | 1,373 | 3,884 | 702 | 4,132 | 291 | 357 | |||||||||||||||||||||||||||||||||||||
| Loss from equity investments | 1,165 | (52) | 1,793 | 906 | 226 | 199 | 280 | 182 | 864 | 995 | 119 | (218) | 110 | 182 | 25 | 48 | (90) | (205) | 446 | 533 | 113 | 357 | |||||||||||||||||||||||
| Equity Method Investments, Increase (Decrease) Due To Foreign Currency Translation Adjustment | 5,320 | 3,394 | |||||||||||||||||||||||||||||||||||||||||||
| Interest income | 6 | 64 | 37 | 139 | 41 | 117 | |||||||||||||||||||||||||||||||||||||||
| Increase in investment of affiliate due to conversion of debt to equity | 22,325 | ||||||||||||||||||||||||||||||||||||||||||||
| Currency transaction loss in note receivable | 75 | ||||||||||||||||||||||||||||||||||||||||||||
| Ownership interest cost | 6,009 | 2,142 | 1,000 | 7,021 | |||||||||||||||||||||||||||||||||||||||||
| Equity method investment additional ownership percentage | 15.00% | ||||||||||||||||||||||||||||||||||||||||||||
| Equity Method Investment, Increase (Decrease) in Aggregate Cost | 6,152 | ||||||||||||||||||||||||||||||||||||||||||||
| Loans Receivable, Basis Spread on Variable Rate | 0.28% | ||||||||||||||||||||||||||||||||||||||||||||
| Loans Receivable, Fixed Interest Rate | 8.00% | ||||||||||||||||||||||||||||||||||||||||||||
| Origination of Notes Receivable from Related Parties | $ 3,182 | $ 1,594 | |||||||||||||||||||||||||||||||||||||||||||
| Equity Method Invesmtent, Ownership Percentage, Owned by Affiliate | 28.40% | ||||||||||||||||||||||||||||||||||||||||||||