Disaggregation of Revenue and Contract Balances - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation Of Revenue [Abstract]
Revenue from contracts classified as lump sum	93.70%		94.10%
Revenue from exclusively time and material contracts	6.30%		5.90%
Remaining performance obligations	$ 165.8		$ 165.8
Contract with customer, liability, revenue recognized	$ 1.1	$ 0.9	$ 2.5	$ 1.2