Commitments and Contingencies - Legal Proceedings (Details) $ in Thousands	1 Months Ended					3 Months Ended		12 Months Ended				24 Months Ended	52 Months Ended
	Jan. 31, 2022 USD ($)	Jul. 31, 2021 USD ($)	Aug. 31, 2020 USD ($)	Jul. 31, 2019 USD ($)	Apr. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2020 USD ($)	Apr. 30, 2019 USD ($)	Nov. 30, 2021 USD ($)	Aug. 31, 2019 building
Loss Contingencies [Line Items]
Gross profit								$ 1,953,259	$ 1,660,847	$ 1,600,252
Number of buildings with property damage | building															2
Termination of the Peru Telecommunications Project
Loss Contingencies [Line Items]
Recorded charges						$ 79,200				$ 79,200
Net receivable position on projects								120,000
Scenario, Adjustment | Correction Of Estimated Project Costs And Percentage Of Completion Method [Member] | Termination of the Peru Telecommunications Project
Loss Contingencies [Line Items]
Gross profit						$ (14,500)
Lorenzo Benton v Telecom Network Specialists Inc
Loss Contingencies [Line Items]
Damages sought		$ 37,000
Lorenzo Benton v Telecom Network Specialists Inc | Subsequent Event
Loss Contingencies [Line Items]
Damages sought	$ 17,600
Lorenzo Benton v Telecom Network Specialists Inc | Maximum
Loss Contingencies [Line Items]
Reasonably possible amount of loss								9,500
Damages awarded												$ 9,500
Redes | Termination of the Peru Telecommunications Project
Loss Contingencies [Line Items]
Advance payments received											$ 87,000
On-demand performance bonds											$ 25,000
Payment of arbitration														$ 190,000
Construction costs incurred													$ 157,000
Payments received on construction contracts													$ 100,000
Net receivable position on projects								$ 87,000
Redes | Telecommunication Networks Construction and Operation
Loss Contingencies [Line Items]
Term of post-construction operation and maintenance period											10 years
Redes | Telecommunication Networks Construction and Operation | Termination of the Peru Telecommunications Project
Loss Contingencies [Line Items]
Aggregate consideration for projects											$ 248,000
Aggregate consideration to be paid during the construction period											151,000
Aggregate consideration to be paid during the post-construction operation and maintenance period											$ 97,000
QPS | Maurepas Project Dispute
Loss Contingencies [Line Items]
Damages sought							$ 22,000
Maurepas | Maurepas Project Dispute
Loss Contingencies [Line Items]
Damages sought				$ 59,000
PRONATEL | Termination of the Peru Telecommunications Project
Loss Contingencies [Line Items]
Damages sought			$ 40,000		$ 45,000
Bond proceeds received					$ 112,000