Immaterial Error Correction - Statements of Comprehensive Income Adjustment (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2021	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income	$ 4.1	$ 9.0	$ 8.3	$ 8.5	$ 16.8	$ 25.8	$ 15.9	$ 46.0
Comprehensive income	8.3	4.5	12.4	7.7	20.1	24.6	16.9	44.3
Comprehensive income attributable to controlling interest	$ 8.2	4.6	12.5	7.8	20.1	24.7	16.9	44.3
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income		9.3	9.0	8.7	17.7	27.0	17.9	46.9
Comprehensive income		4.8	13.1	7.9	21.0	25.8	18.9	45.2
Comprehensive income attributable to controlling interest		4.9	13.2	8.0	21.0	25.9	18.9	45.2
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income		(0.3)	(0.7)	(0.2)	(0.9)	(1.2)	(2.0)	(0.9)
Comprehensive income		(0.3)	(0.7)	(0.2)	(0.9)	(1.2)	(2.0)	(0.9)
Comprehensive income attributable to controlling interest		$ (0.3)	$ (0.7)	$ (0.2)	$ (0.9)	$ (1.2)	$ (2.0)	$ (0.9)