XML 100 R84.htm IDEA: XBRL DOCUMENT v3.8.0.1
Leases (Schedule of Future Minimum Rental Payments for Operating Leases) (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Leases [Abstract]  
2018 $ 28,895
2019 27,167
2020 25,539
2021 23,135
2022 24,852
Thereafter $ 105,153