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Accounts Payable and Accrued Expenses - Accounts Payable and Accrued Expenses (Detail) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Payables And Accruals [Abstract] | ||
| Accounts payable | $ 4,900,000 | $ 6,900,000 |
| Accrued payroll and compensated absences | 8,500,000 | 5,300,000 |
| Accrued bonuses | 1,000,000 | |
| Professional fees | 500,000 | 400,000 |
| Accrued interest | 2,200,000 | 11,800,000 |
| Deferred revenue | 2,600,000 | 2,300,000 |
| Accrued national representation fees | 1,300,000 | 1,300,000 |
| Other | 10,300,000 | 11,200,000 |
| Accounts Payable and Accrued Expenses | $ 31,246,000 | $ 39,158,000 |