Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Minimum Annual Rentals for Non-Cancelable Operating Leases (Details)

v3.8.0.1
Commitments and Contingencies - Minimum Annual Rentals for Non-Cancelable Operating Leases (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2018 $ 15,204
2019 14,788
2020 14,185
2021 13,227
2022 13,277
Thereafter 61,110
Total minimum annual rentals $ 131,791