Lease Cash Flow (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Supplemental Cash Flow Disclosures [Line Items]
Operating cash flows from operating leases	$ 12,987	$ 25,401
Operating cash flows from finance leases	111	219
Financing cash flows from finance leases	531	940
Total Cash flow leases	13,629	26,560
New ROU Operating Lease	8,226	18,934
New ROU Finance Leases	330	367
Total New Lease Assets	$ 8,556	$ 19,301