Leases - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset	$ 83,376	$ 102,268	$ 0
Operating Lease, Liability, Current	24,094	27,229	0
Operating Lease, Liability, Noncurrent	60,234	$ 75,276	$ 0
Operating Leases [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	27,205
Lessee, Operating Lease, Liability, Payments, Due Year Two	19,116
Lessee, Operating Lease, Liability, Payments, Due Year Three	13,824
Lessee, Operating Lease, Liability, Payments, Due Year Four	11,248
Lessee, Operating Lease, Liability, Payments, Due Year Five	8,646
Lessee, Operating Lease, Liability, Payments, Due after Year Five	16,316
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	96,355
Imputed Interest	(12,027)
Lessee, Operating Lease, Liability, Payments, Due	84,328
Operating Lease, Right-of-Use Asset	83,376
Operating Lease, Liability, Current	24,094
Operating Lease, Liability, Noncurrent	60,234
Finance Leases [Member]
Lessee, Lease, Description [Line Items]
Finance Lease, Liability, Payments, Remainder of Fiscal Year	3,780
Finance Lease, Liability, Payments, Due Year Two	3,559
Finance Lease, Liability, Payments, Due Year Three	3,320
Finance Lease, Liability, Payments, Due Year Four	3,059
Finance Lease, Liability, Payments, Due Year Five	3,237
Finance Lease, Liability, Payments, Due after Year Five	24,591
Finance Lease, Liability, Undiscounted Excess Amount	41,546
Imputed Interest	(11,773)
Finance Lease, Liability, Payment, Due	29,773
Finance Lease, Liability, Current	2,343
Finance Lease, Liability, Noncurrent	$ 27,430