Leases (Future Minimum Lease Payments) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Operating Leases
2020	$ 46,204
2021	35,686
2022	21,015
2023	11,046
2024	9,605
Total future minimum lease payments	24,244
Less: Imputed interest	147,800
Total	(15,721)
Total	132,079
2019		$ 32,461
2020		24,630
2021		17,676
2022		10,942
2023		9,008
Total future minimum lease payments		26,070
Less: Imputed interest		120,787
Finance Leases
2020	9,905
2021	8,808
2022	2,064
2023	956
2024	949
Total future minimum lease payments	2,864
Less: Imputed interest	25,546
Total	(2,317)
Total	23,229
2019		6,430
2020		4,555
2021		4,748
2022		936
2023		936
Total future minimum lease payments		3,807
Less: Imputed interest		$ 21,412
Amount of leases not yet commenced	$ 6,200