v3.3.1.900
Long-Term Debt - Aggregate Minimum Principal Maturities of Long-Term Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Debt Disclosure [Abstract]    
2016 $ 5,717  
2017 5,643  
2018 5,582  
2019 33,563  
2020 5,521  
2021 and thereafter 844,251  
Long-term debt $ 900,277 $ 877,857