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股权投资（以权益法核算的投资）（详情）（美元）
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Dec. 31, 2011
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Dec. 31, 2010
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| 权益法投资明细表[分项] | ||
| Equity investments | $ 86,824,000 | $ 33,021,000 |
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Tatex Thailand II, LLC [Member]
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| 权益法投资明细表[分项] | ||
| Equity investments | 1,030,000 | 1,907,000 |
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Tatex Thailand III, LLC [Member]
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| 权益法投资明细表[分项] | ||
| Equity investments | 8,282,000 | 4,660,000 |
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Grizzly Oil Sands ULC [Member]
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| 权益法投资明细表[分项] | ||
| Equity investments | 69,008,000 | 26,454,000 |
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Bison Drilling And Field Services LLC[成员]
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| 权益法投资明细表[分项] | ||
| Equity investments | 6,366,000 | |
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Muskie Holdings LLC [Member]
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| 权益法投资明细表[分项] | ||
| Equity investments | $ 2,138,000 |
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- Definition
这个项目代表实体资产负债表上对权益法被投资方普通股投资的账面金额. 这不体育平台是投资公允价值的指标, 相反，它体育平台是根据被投资方的损益份额调整后的初始成本, 根据已确认的任何分配（股息）和临时减值（OTTI）以外的损失进行调整. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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