Leases (Schedule of Future Minimum Lease Payments for Non-cancellable Leases) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Operating
2019	$ 20,635
2020	20,704
2021	20,630
2022	20,202
2023	19,223
Thereafter	132,889
Total minimum lease payments	234,283
Capital
2019	495
2020	446
2021	311
2022	82
2023	0
Thereafter	0
Total minimum lease payments	$ 1,334