Revenue from Contracts with Customers - Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Contracts in progress
Less-Unbilled accounts receivable	$ (72,774)	$ (77,030)
Less-Unbilled accounts receivable credit allowance	(850)	(1,011)
Costs and estimated earnings in excess of billings, less allowance for credit losses	28,084	27,211
Plus-Costs and estimated earnings in excess of billings credit allowance	79	80
Billings in excess of costs and estimated earnings	$ (909,538)	(548,293)
Period during which progress billings or contract price can be withheld until completion of work	6 months
Retention receivable	$ 245,000	193,600
Retention payable	$ 32,900	$ 29,800
Revenue, Performance Obligation, Description of Payment Terms	We typically invoice our customers with payment terms of net due in 30 days
Receivable payment terms (in days)	30 days
Minimum
Contracts in progress
Receivable payment terms (in days)	45 days
Payments received term (in days)	30 days
Maximum
Contracts in progress
Receivable payment terms (in days)	60 days
Payments received term (in days)	90 days