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Reconciliation of Provision for Income Taxes to Amount Provided by Applying Statutory United States Federal Income Tax Rate to Income Before Income Taxes (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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| Reconciliation of Effective Income Tax Rate [Line Items] | |||
| Expected statutory income tax benefit (expense) | $ 62,470 | $ (10,450) | $ (16,924) |
| State income tax benefit (expense) | 3,254 | (694) | (1,112) |
| Share-based compensation | (2,031) | (703) | |
| Non-deductible executive compensation | (54) | (215) | |
| Other | 1,040 | 181 | 166 |
| Total income tax benefit (expense) | $ 64,679 | $ (11,881) | $ (17,870) |