XML 75 R56.htm IDEA: XBRL DOCUMENT v3.10.0.1
Long-term debt - Scheduled Maturities of Long-term Debt (Detail)
$ in Thousands
Jun. 30, 2018
USD ($)
Debt Disclosure [Abstract]  
2018 (remainder of the year) $ 95,011
2019 1,712,246
2020 74,792
2021 3,311,046
2022 1,287,741
2023 162,580
Thereafter $ 3,358,572