Leases (Schedule of Future Commitments Related to Non-Cancellable Operating and Capital Leases, Which Followed Lease Accounting Standard Prior to Adoption of ASC Topic 842) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Operating Leases
2019	$ 34,885	[1]
2020	29,609	[1]
2021	20,098	[1]
2022	12,932	[1]
2023	7,588	[1]
Thereafter	26,469	[1]
Total minimum future payments obligations	131,581	[1]
Finance Leases
2019	2,549
2020	2,587
2021	2,625
2022	2,328
2023	6,974
Thereafter	13,716
Total minimum future payments obligations	30,779
Less: Imputed interest	(7,393)
Total capital lease obligations	23,386
Less: Current portion of capital lease obligations	(1,304)
Total long-term capital lease obligations	$ 22,082

[1] Minimum lease payment obligations have not been reduced by minimum sublease rentals due in the future of $0.8 million