Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Aggregate Minimum Principal Maturities of Long-Term Debt (Detail)

v3.7.0.1
Long-Term Debt - Aggregate Minimum Principal Maturities of Long-Term Debt (Detail)
$ in Thousands
Dec. 31, 2016
USD ($)
Debt Disclosure [Abstract]  
2017 $ 5,643
2018 5,592
2019 5,568
2020 5,518
2021 514,251
2022 and thereafter 438,704
Long-term debt $ 975,276