Leases - Operating and Finance Lease Liability (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2019	$ 55,063
2020	105,901
2021	83,319
2022	62,929
2023	42,406
Thereafter	76,525
Total Undiscounted Cash Flows	426,143
Less: Interest	39,154
Present Value of Lease Liabilities	386,989
Finance Lease, Liability, Payment, Due [Abstract]
2019	1,327
2020	2,084
2021	853
2022	87
2023	0
Thereafter	0
Total Undiscounted Cash Flows	4,351
Less: Interest	389
Present Value of Lease Liabilities	3,962
Total
2019	56,390
2020	107,985
2021	84,172
2022	63,016
2023	42,406
Thereafter	76,525
Total Undiscounted Cash Flows	430,494
Less: Interest	39,543
Present Value of Lease Liabilities	$ 390,951