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Income Taxes - Schedule of Effective Income Tax Rate (Detail) (USD $)
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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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| Income Tax Disclosure [Abstract] | |||
| Computed "expected" tax provision (benefit) | $ (100,000) | $ 6,700,000 | $ (800,000) |
| Change in income tax resulting from: | |||
| State taxes, net of federal benefit | (8,400,000) | 1,200,000 | 400,000 |
| Foreign taxes | 200,000 | 300,000 | 600,000 |
| Change in valuation allowance | (126,000,000) | (2,200,000) | 5,600,000 |
| Other | 200,000 | 100,000 | |
| Total provision (benefit) for taxes | $ (134,137,000) | $ 6,112,000 | $ 5,790,000 |