XML 67 R53.htm IDEA: XBRL DOCUMENT v3.10.0.1
Debt - Maturities on Long-Term Debt Outstanding (Detail)
$ in Thousands
Dec. 31, 2018
USD ($)
Debt Disclosure [Abstract]  
2019 $ 23,747
2020 23,747
2021 31,662
2022 205,803
2023 0
Thereafter 400,000
Total $ 684,959