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Earnings (Loss) Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Earnings Per Share [Abstract]      
Net income (loss) $ (167.1) $ (123.3) $ (80.8)
Amount allocated to common stockholders 100.00% 100.00% 100.00%
Basic and Diluted EPS:      
Net income (loss) available to common stockholders, basic $ (167.1) $ (123.3) $ (80.8)
Net income (loss) available to common stockholders, diluted $ (167.1) $ (123.3) $ (80.8)
Weighted average shares outstanding, basic (in shares) 90,200 89,500 88,800
Weighted average number of shares outstanding, diluted (in shares) 90,200 89,500 88,800
Basic (in dollars per share) $ (1.85) $ (1.38) $ (0.91)
Diluted (in dollars per share) $ (1.85) $ (1.38) $ (0.91)