Leases Operating Lease Disclosure (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Leases [Abstract]
Operating Lease, Weighted Average Remaining Lease Term	9 years 8 months 15 days
Operating Lease, Liability, Current	$ 2,076		$ 0
Operating Lease, Liability, Noncurrent	24,702		$ 0
Operating Lease, Liability	$ 26,778	$ 24,792
Operating Lease, Weighted Average Discount Rate, Percent	6.91%
Operating Lease, Payments, Use	$ 1,862
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 2,961
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Lessee, Operating Lease, Existence of Option to Terminate [true false]	true