Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019
Leases [Abstract]
Operating Lease, Right-of-Use Asset	$ 88,143	$ 92,700
Operating Lease, Liability, Current	26,410
Operating Lease, Liability, Noncurrent	62,320
Operating Lease, Liability	$ 88,730	$ 93,500