Earnings Per Share Attributable to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share Basic And Diluted [Line Items]
Net (loss) income available to common stockholders	$ (34.2)	$ 178.1
Denominator:
Basic weighted average share outstanding	120,487,251	110,647,700
Diluted average shares outstanding	120,487,251	111,655,861
Net (loss) income per share attributable to common shares:
Basic	$ (0.28)	$ 1.61
Diluted	$ (0.28)	$ 1.60
Share units
Denominator:
Effect of dilutive securities		450,259
Stock options
Denominator:
Effect of dilutive securities		557,902