Contracts in Progress - Remaining Performance Obligation (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Performance obligations expected to be satisfied	$ 590.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Performance obligations expected to be satisfied	$ 454.5
Performance obligations expected to be satisfied, percentage	77.00%
Performance obligations expected to be satisfied, expected timing	12 months