Accrued Expenses and Other Current Liabilities (Schedule of Other Current Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Accrued Expenses and Other Current Liabilities [Abstract]
Billings in excess of costs and estimated earnings on uncompleted contracts	$ 11,931	$ 25,191
Taxes payable	7,237	10,641
Other	4,069	12,930
Total other current liabilities	$ 23,237	$ 48,762