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Components of Income Tax Expense (Detail) (USD $)
In Thousands, unless otherwise specified |
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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| Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] | |||
| Current | $ (2,146) | $ (40,562) | $ 29,682 |
| Deferred | 30,920 | 88,109 | 61,835 |
| Income tax expense (benefit) | $ 28,774 | $ 47,547 | $ 91,517 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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