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Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Condensed Consolidated Statements of Shareholders' Equity      
Offering expenses $ 0.9 $ 0.4 $ 1.8