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Revenue (Schedule of Accounts Receivable) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Receivables [Abstract] |  |
Completed contracts | $ 4,682 | $ 10,612
Contracts in progress | 32,546 | 65,415
Retainage | 8,226 | 7,490
Accounts receivable, gross | 45,454 | 83,517
Allowance for doubtful accounts | (564) | (564)
Total accounts receivable—net | $ 44,890 | $ 82,953

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