Leases (Maturities of Operating and Financing Lease Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Operating Leases
2021	$ 43,313
2022	37,998
2023	33,200
2024	27,256
2025	22,108
Thereafter	96,730
Total lease payments	260,605
Less imputed interest	(79,199)
Total	181,406	$ 175,257
Finance Leases
2021	66
2022	61
2023	35
2024	8
2025	0
Thereafter	0
Total lease payments	170
Less imputed interest	(17)
Total	$ 153	$ 194