Contracts in Progress (Tables)

6 Months Ended

Jun. 30, 2022

Contract With Customer Asset And Liability [Abstract]

Summary of Costs and Estimated Earnings on Contracts

The following table reflects the calculation of the net balance of contract assets and contract liabilities. Costs and estimated earnings on contracts in progress consist of the following (in thousands):

	June 30, 2022			December 31, 2021
Costs incurred on uncompleted contracts	$	205,307		$	168,110
Estimated contract earnings in excess of costs		289,132			229,949
Estimated contract earnings to date		494,439			398,059
Less: billed to date		(490,840	)		(393,493	)
Net contract assets	$	3,599		$	4,566