Cost of Contracts, net - Schedule of Amortization Expense Related to Cost of Contracts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue From Contract With Customer [Abstract]
Cost of contracts expense	$ 1.0	$ 1.0	$ 0.7
Weighted average life (years)	7 years	7 years 9 months 18 days	10 years