Stockholders' Equity - Follow-on Public Offering (Details) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended
	Jun. 30, 2020 USD ($) $ / shares shares
Follow-on Public Offering
Subsidiary, Sale of Stock [Line Items]
Shares issued | shares	17,250
Offering price per share | $ / shares	$ 9.25
Aggregate gross proceeds | $	$ 159,563
Net proceeds after underwriting fees and offering expenses | $	$ 151,773
Follow-on Public Offering, over-allotment option
Subsidiary, Sale of Stock [Line Items]
Shares issued | shares	2,250