Leases Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Leases [Abstract]
Operating Lease Right Of Use Asset	$ 33,789	$ 0
Operating Lease Liability Current	9,056
Operating Lease Liability Noncurrent	24,259	$ 0
Operating Lease Liability	$ 33,315
Operating Lease Weighted Average Remaining Lease Term 1	4 years 10 months 24 days
Operating Lease Weighted Average Discount Rate Percent	4.31%