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Revenue Recognition - Schedule of Net Under (Over) Billings (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Revenue from Contract with Customer [Abstract] |  |
Costs and estimated earnings in excess of billings on uncompleted contracts (contract assets) | $ 41,416 | $ 32,679
Billings in excess of costs and estimated earnings on uncompleted contracts (contract liabilities) | (7,842) | (6,444)
Net under billings | $ 33,574 | $ 26,235

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