Contract Assets and Liabilities - Component of Contract Asset and Liability Balances (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Costs in excess of billings and estimated earnings	$ 130,570	$ 80,357
Contract retention	151,710	161,559
Total contract assets	282,280	241,916
Billings in excess of costs and estimated earnings, net of retention	205,288	152,294
Provisions for losses	16,695	20,992
Total contract liabilities	$ 221,983	$ 173,286