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Aggregate Maturities of Debt Outstanding (Including Capital Leases) (Detail)
$ in Thousands
Dec. 31, 2016
USD ($)
Debt Disclosure [Abstract]  
2017 $ 11,490
2018 106,794
2019 10,314
2020 29,028
2021 3,276
2022 and thereafter 806,025
Total $ 966,927