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Long Term Debt - Summary of Principal Payments Due under Long Term Debt (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Debt Disclosure [Abstract]  
2016 $ 47,613
2017 51,705
2018 60,438
2019 66,304
2020 69,526
Thereafter 947,861
Long term debt $ 1,243,447