Revenue from Contracts with Customers - Components of Contract Asset and Liability Balances (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Contract assets
Costs in excess of billings and estimated earnings	$ 39,275		$ 47,447
Retainage receivable	25,991		36,416
Total contract assets	65,266		83,863
Change in costs in excess of billings and estimated earnings	(8,172)
Change in retainage receivable	(10,425)
Change in total contract assets	(18,597)	$ 5,095
Contract liabilities
Billings in excess of costs and estimated earnings	42,207		26,293
Provisions for losses	315		419
Total contract liabilities	42,522		$ 26,712
Change in billings in excess of costs and estimated earnings	15,914
Change in provisions for losses	(104)
Change in total contract liabilities	$ 15,810	$ (9,645)