Financing Activity - Interest Expense and Deferred Financing Amortization (Parenthetical) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
First Lien Revolving Facility
Debt Instrument [Line Items]
Deferred financing amortization		$ 0.1
First and Second lien Term Loans
Debt Instrument [Line Items]
Interest expense		4.3
Second lien Term Loans
Debt Instrument [Line Items]
Interest expense	$ 4.2	2.8
Bridge Credit Agreement
Debt Instrument [Line Items]
Interest expense		$ 3.2