Revenue from Contracts with Customers - Contract Assets and Liabilities (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Contract Assets
Costs and estimated earnings in excess of billings, less allowance for credit losses	$ 30,118,000		$ 28,084,000
Costs and estimated earnings in excess of billings, less allowance for credit losses	30,118,000		28,084,000
Contract Liabilities
Billings in excess of costs and estimated earnings and deferred revenue	1,131,928,000		$ 909,538,000
Impairment losses	0	$ 0
Revenue related to our contract liabilities	$ 547,500,000	$ 341,900,000