Leases (Maturities of Operating and Financing Lease Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Operating Leases
Remainder of 2020	$ 6,496
2021	41,353
2022	36,892
2023	32,417
2024	26,749
2025	21,797
Thereafter	96,556
Total lease payments	262,260
Less imputed interest	(80,575)
Total	181,685	$ 175,257
Finance Leases
Remainder of 2020	19
2021	66
2022	61
2023	35
2024	8
2025	0
Thereafter	0
Total lease payments	189
Less imputed interest	(20)
Total	$ 169	$ 194