Common Stock (Details) $ / shares in Units, $ in Millions	1 Months Ended
	Jun. 30, 2020 USD ($) $ / shares shares
Subsidiary, Sale of Stock [Line Items]
Warrants issued in transaction (in shares) | shares	1,914,280
Payments of stock issuance costs | $	$ 10.1
Proceeds from issuance of common stock | $	$ 150.1
Underwritten Offering
Subsidiary, Sale of Stock [Line Items]
Number of shares issued in transaction (in shares) | shares	28,503,220
Sale of stock price (in dollars per share)	$ 4.100
Underwritten Offering, Underwriters
Subsidiary, Sale of Stock [Line Items]
Sale of stock price (in dollars per share)	$ 3.854
Private Placement
Subsidiary, Sale of Stock [Line Items]
Number of shares issued in transaction (in shares) | shares	8,649,453
Exercise price of pre-funded warrants (in dollars per share)	$ 4.099
Private Placement, Underwriters
Subsidiary, Sale of Stock [Line Items]
Exercise price of pre-funded warrants (in dollars per share)	$ 3.853