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Long-Term Debt - Schedule of Principal Payments Due on Long-Term Debt Including Capital Leases (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
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Dec. 31, 2013
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|---|---|---|
| Debt Disclosure [Abstract] | ||
| 2015 | $ 24,690 | |
| 2016 | 22,776 | |
| 2017 | 227,180 | |
| 2018 | 382,954 | |
| 2019 | 7,750 | |
| Thereafter | 24,459 | |
| Long-term debt and capital lease obligations | $ 689,809 | $ 671,451 |