Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 2,592	$ 783	$ 3,805	$ 1,739
Board of Directors and other stock grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	533	540	1,217	771
CEO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	1,700
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 2,059	$ 243	$ 2,588	$ 968