Leases Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Finance Leases, Right-Of-Use Assets	$ 493
Operating Leases, Right-of-Use Assets	16,400
Total Right-of-Use Assets - Operating Leases	16,400
Total Right-of-Use Assets - Finance Leases	493
Operating Leases, Liability, Current	5,187	$ 0
Finance Leases, Liability, Current	394
Finance Lease, Liability, Noncurrent	289
Operating Lease, Liability, Noncurrent	14,029
Total Lease Obligations - Operating Leases	19,216
Total Lease Obligations - Finance Leases	$ 683
Operating Lease, Weighted Average Remaining Lease Term	5 years
Finance Lease, Weighted Average Remaining Lease Term	1 year 10 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent	4.40%
Finance Lease, Weighted Average Discount Rate, Percent	4.50%