Leases and Other - Schedule of Future Minimum Rental Payments and Related Sublease Rentals Receivable (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Future minimum rental payments and related sublease rentals receivable
Rental Payments, 2018	$ 23,503
Rental Payments, 2019	20,299
Rental Payments, 2020	17,265
Rental Payments, 2021	8,812
Rental Payments, 2022	5,555
Rental Payments, Thereafter	81,135
Rental Payments, Total	156,569
Receivable Under Subleases, 2018	2,627
Receivable Under Subleases, 2019	2,384
Receivable Under Subleases, 2020	2,209
Receivable Under Subleases, 2021	2,267
Receivable Under Subleases, 2022	2,195
Receivable Under Subleases, Thereafter	3,657
Receivable Under Subleases, Total	$ 15,339