Leased Assets and Liabilities (Lease Maturity) (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Operating Leases
Remaining for year ending December 31, 2019	$ 11,233
Year ending December 31, 2020	42,292
Year ending December 31, 2021	35,970
Year ending December 31, 2022	27,799
Year ending December 31, 2023	21,392
Thereafter	88,779
Total	227,465
Less: present value discount	45,249
Lease liability	182,216
Finance Leases
Remaining for year ending December 31, 2019	907
Year ending December 31, 2020	3,242
Year ending December 31, 2021	2,850
Year ending December 31, 2022	2,278
Year ending December 31, 2023	1,626
Thereafter	983
Total	11,886
Less: present value discount	1,524
Lease liability	10,362
Total
Remaining for year ending December 31, 2019	12,140
Year ending December 31, 2020	45,534
Year ending December 31, 2021	38,820
Year ending December 31, 2022	30,077
Year ending December 31, 2023	23,018
Thereafter	89,762
Total	239,351
Less: present value discount	46,773
Lease liability	192,578
Leases signed but not yet commenced	$ 28,000