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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Private Placement          
Stock issuance costs         $ 8.0
ATM Offering          
Stock issuance costs $ 0.6 $ 1.3 $ 8.6 $ 5.5