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Revenue Recognition - Schedule of Net Under (Over) Billings (Detail) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
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Jun. 30, 2020 | Dec. 31, 2019
Contractors [Abstract] |  |
Costs and estimated earnings in excess of billings on uncompleted contracts (contract assets) | $ 21,871 | $ 22,138
Billings in excess of costs and estimated earnings on uncompleted contracts (contract liabilities) | (6,343) | (5,734)
Net under billings | $ 15,528 | $ 16,404

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- Definition Costs And Estimated Earnings In Excess Of Billing On Uncompleted Contracts + References No definition available. + Details
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- References No definition available. + Details
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