Construction Contracts - Summary of Backlog (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue, Remaining Performance Obligation [Roll Forward]
Beginning backlog	$ 419,439	$ 38,838	$ 215,518	$ 71,258
New contracts/change orders	167,143	50,278	395,746	53,402
Work performed	(45,368)	(18,897)	(70,050)	(54,441)
Ending backlog	$ 541,214	$ 70,219	$ 541,214	$ 70,219