Basis of Presentation - Depreciation (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		9 Months Ended
	Jan. 01, 2022	Dec. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Depreciation
Net income			$ 43,040	$ 44,056	$ 91,520	$ 86,199
Basic (in dollars per share)			$ 0.81	$ 0.82	$ 1.72	$ 1.65
Diluted (in dollars per share)			$ 0.80	$ 0.81	$ 1.70	$ 1.63
Change in Accounting Method Accounted for as Change in Estimate
Depreciation
Depreciation expense			$ (4,200)		$ 15,300
Net income			$ 3,300		$ 12,200
Basic (in dollars per share)			$ 0.06		$ 0.23
Diluted (in dollars per share)			$ 0.06		$ 0.23
Minimum | Construction equipment
Depreciation
Estimated useful lives of the equipment		3 years
Minimum | Change in Accounting Method Accounted for as Change in Estimate | Construction equipment
Depreciation
Estimated useful lives of the equipment	3 years
Maximum | Construction equipment
Depreciation
Estimated useful lives of the equipment		7 years
Maximum | Change in Accounting Method Accounted for as Change in Estimate | Construction equipment
Depreciation
Estimated useful lives of the equipment	10 years