Condensed Consolidated Statements of Stockholders’ Equity (Parenthetical) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
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	36.8
Issuance costs	$ 36.8	$ 36.8