Revenue (Schedule of Accounts Receivable) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Receivables [Abstract]
Completed contracts	$ 2,920	$ 4,682
Contracts in progress	40,743	32,546
Retainage	11,511	8,226
Accounts receivable, gross	55,174	45,454
Allowance for doubtful accounts	(364)	(564)
Total accounts receivable—net	$ 54,810	$ 44,890