Leases - Supplemental Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019
Leases [Abstract]
Operating RoU Assets	$ 7,994	$ 7,500
Current operating lease liabilities	4,475
Non-current operating lease liabilities	3,598
Total operating lease liabilities	$ 8,073	$ 7,500
Weighted average term (years)	2 years 3 months 18 days
Weighted average discount rate (percent)	5.61%