Leases (Maturity of Lease Liabilities) (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating Leases, 2020	$ 35,907
Operating Leases, 2021	34,819
Operating Leases, 2022	31,895
Operating Leases, 2023	27,084
Operating Leases, 2024	20,431
Operating Leases, Thereafter	41,026
Operating Leases, Total lease payments	191,162
Operating Leases, Less: interest	(32,718)
Operating Leases, Present value of lease liabilities	158,444
Financing Leases, 2020	216
Financing Leases, 2021	215
Financing Leases, 2022	90
Financing Leases, Total lease payments	521
Financing Leases, Less: interest	(85)
Financing Leases, Present value of lease liabilities	436
Operating and Financing Leases, 2020	36,123
Operating and Financing Leases, 2021	35,034
Operating and Financing Leases, 2022	31,985
Operating and Financing Leases, 2023	27,084
Operating and Financing Leases, 2024	20,431
Operating and Financing Leases, Thereafter	41,026
Operating and Financing Leases, Total lease payments	191,683
Operating and Financing Leases, Less: interest	(32,803)
Total lease liabilities	$ 158,880