Leases - Schedule of Right-of-Use Assets and Lease Liabilities (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Right-of-use assets:
Operating	$ 46,578
Finance	169
Total leased assets	46,747
Current
Operating	14,762
Finance	46
Non-current
Operating	35,043
Finance	123
Total lease liabilities	$ 49,974