Costs and Estimated Earnings on Uncompleted Contracts (Costs and Estimated Earnings on Uncompleted Contracts Accompanying Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Costs and Estimated Earnings on Uncompleted Contracts [Abstract]
Costs and estimated earnings in excess of billings on uncompleted contracts	$ 81,665	$ 48,844
Billings in excess of costs and estimated earnings on uncompleted contracts (included in Other current liabilities)	(16,596)	(5,654)
Costs and estimated earnings on uncompleted contracts	$ 65,069	$ 43,190