Organization - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Class Of Stock [Line Items]
Net proceeds received after deducting underwriting discounts and other offering related costs	$ 1,180	$ 69,842
Total shares reserved	5,304,096
At-The-Market | Sales Agreement
Class Of Stock [Line Items]
Shares issued during period	57,100
Net proceeds received after deducting underwriting discounts and other offering related costs	$ 1,200
At-The-Market | Sales Agreement | Maximum
Class Of Stock [Line Items]
Total shares reserved	94,500,000