Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Maturities of Long-Term Debt (Details)

v3.8.0.1
Long-Term Debt - Maturities of Long-Term Debt (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Debt Disclosure [Abstract]  
2018 $ 622
2019 604
2020 629
2021 661
2022 692
Thereafter 2,070,516
Total $ 2,073,724