Leases Additional Lease Disclosure (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Operating Lease, Payments	$ 25,671
Finance Lease, Principal Payments	1,186
Finance leases, finance cash flows	735
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	4,955
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 9,476
Operating Lease, Weighted Average Remaining Lease Term	5 years 6 months
Finance Lease, Weighted Average Remaining Lease Term	11 years 8 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	4.70%
Finance Lease, Weighted Average Discount Rate, Percent	9.70%