Leases Leases (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Jan. 01, 2019
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Liability, Payments, Due Year Two	$ 27,450
Lessee, Operating Lease, Liability, Payments, Due Year Three	19,867
Lessee, Operating Lease, Liability, Payments, Due Year Four	15,578
Lessee, Operating Lease, Liability, Payments, Due Year Five	11,899
Lessee, Operating Lease, Liability, Payments, Due after Year Five	15,665
Lessee, Operating Lease, Liability, Payments, Due	99,513
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(8,043)
Operating Lease, Liability	$ 85,674	$ 85,516
Lessee, Operating Lease, Option to Extend	P10Y
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 9,054
Lessee, Operating Lease, Term of Contract	10 years
Finance Lease, Liability, Payments, Remainder of Fiscal Year	$ 215
Finance Lease, Liability, Payments, Due Year Two	860
Finance Lease, Liability, Payments, Due Year Three	860
Finance Lease, Liability, Payments, Due Year Four	860
Finance Lease, Liability, Payments, Due Year Five	860
Finance Lease, Liability, Payments, Due after Year Five	3,315
Finance Lease, Liability, Payment, Due	6,970
Finance Lease, Liability, Undiscounted Excess Amount	(717)
Finance Lease, Liability	6,253
Operating Leases [Member]
Lessee, Lease, Description [Line Items]
Short-term Lease Commitment, Amount	(5,796)
Finance Leases [Member]
Lessee, Lease, Description [Line Items]
Short-term Lease Commitment, Amount	$ 0