Revenue - Schedule of Utility Infrastructure Services Contracts Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Contracts receivable, net	$ 309,876	$ 296,005
Utility Infrastructure Services
Disaggregation of Revenue [Line Items]
Contracts receivable, gross	310,228	296,262
Allowance for doubtful accounts	(352)	(257)
Contracts receivable, net	309,876	296,005
Billed on completed contracts and contracts in progress | Utility Infrastructure Services
Disaggregation of Revenue [Line Items]
Contracts receivable, gross	308,798	292,770
Other receivables | Utility Infrastructure Services
Disaggregation of Revenue [Line Items]
Contracts receivable, gross	$ 1,430	$ 3,492