Fair Value Measurements (Additional Information) (Detail) |
Dec. 31, 2015 |
Dec. 31, 2014 |
May. 13, 2011 |
|---|---|---|---|
| First lien term loan | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Trading prices rate to calculate the fair value | 74.00% | 97.50% | |
| 7.75% Senior Notes | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Trading prices rate to calculate the fair value | 33.50% | 101.25% | |
| 7.75% Senior Notes | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Interest rate percentage on borrowings, per annum | 7.75% | 7.75% | 7.75% |