Leases - Supplemental Balance Sheet Information (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Operating leases:
Right of use assets	$ 51,425
Finance leases:
Right of use asset, cost	579
Accumulated amortization	(278)
Right of use asset, net	301
Total right of use assets, net	51,726
Current
Operating	8,485
Finance	114
Non-current
Operating	46,865
Finance	229
Total lease liabilities	$ 55,693