Contract Assets and Liabilities - Component of Contract Asset and Liability Balances (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Revenue from Contract with Customer [Abstract]
Costs in excess of billings and estimated earnings	$ 135,326	$ 100,106
Contract retention	174,050	162,881
Total contract assets	309,376	262,987
Billings in excess of costs and estimated earnings, net of retention	245,536	227,913
Provisions for losses	16,662	15,935
Total contract liabilities	$ 262,198	$ 243,848