Annual report pursuant to Section 13 and 15(d)

Leases - Schedule of Maturities of Operating Leases (Details)

v3.8.0.1
Leases - Schedule of Maturities of Operating Leases (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Future minimum lease payments  
Operating leases, payments due in 2018 $ 19,059
Operating leases, payments due in 2019 15,166
Operating leases, payments due in 2020 9,360
Operating leases, payments due in 2021 6,079
Operating leases, payments due in 2022 3,148
Operating leases, payments due thereafter 3,542
Total minimum operating lease commitments $ 56,354