Condensed Consolidated Statements of Stockholders’ Equity (Parenthetical) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
ATM offering
Statement of Stockholders' Equity [Abstract]
Issuance costs	$ 0.3
Issuance costs	0.3
Public offering
Statement of Stockholders' Equity [Abstract]
Issuance costs	36.8
Issuance costs	$ 36.8