Revenue from Contracts with Customers - Contract Assets and Liabilities (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Contract Assets
Costs and estimated earnings in excess of billings, less allowance for credit losses	$ 26,820,000		$ 27,211,000
Contract Liabilities
Billings in excess of costs and estimated earnings and deferred revenue	717,294,000		$ 548,293,000
Revenue related to our contract liabilities	341,900,000	$ 220,600,000
Impairment losses	$ 0	$ 0