Leases Leases - Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets and Liabilities, Lessee [Abstract]
Operating lease ROU assets	$ 13,484	$ 14,926
Operating lease obligation - short-term	7,183	4,159
Operating lease obligation - long-term	10,496	12,944
Operating Lease, Liability	17,679	17,103
Finance lease ROU assets	3,647	4,637
Finance lease obligation - short-term	1,626	1,767
Finance lease obligation - long-term	1,998	2,835
Finance Lease, Liability	$ 3,624	$ 4,602
Operating Lease, Weighted Average Remaining Lease Term	3 years 1 month 24 days	4 years 3 months 10 days
Finance Lease, Weighted Average Remaining Lease Term	2 years 8 months 19 days	3 years 2 months 1 day
Operating Lease, Weighted Average Discount Rate, Percent	5.00%	5.00%
Finance Lease, Weighted Average Discount Rate, Percent	5.00%	5.00%