Restructuring and Other Costs - Schedule of Restructuring and Other Costs (Parenthetical) (Details) - Central Merger - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2021
Cost of Services - Management Type Contracts | Commercial
Business Acquisition [Line Items]
Severance Costs	$ 0.1	$ 0.1
General and Administrative Expense
Business Acquisition [Line Items]
Severance Costs			$ 0.1
General and Administrative Expense | Commercial
Business Acquisition [Line Items]
Severance Costs	$ 0.6	0.6
General and Administrative Expense | Aviation
Business Acquisition [Line Items]
Severance Costs		$ 0.1