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v3.22.1

Revenue from Contracts with Customers - Components of Contract Asset and Liability Balances (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Contract assets |  |  |
Costs in excess of billings and estimated earnings | $ 41,949 |  | $ 47,447
Retainage receivable | 33,594 |  | 36,416
Total contract assets | 75,543 |  | 83,863
Change in costs in excess of billings and estimated earnings | (5,498) |  |
Change in retainage receivable | (2,822) |  |
Change in total contract assets | (8,320) | $ 1,986 |
Contract liabilities |  |  |
Billings in excess of costs and estimated earnings | 34,053 |  | 26,293
Provisions for losses | 391 |  | 419
Total contract liabilities | 34,444 |  | $ 26,712
Change in billings in excess of costs and estimated earnings | 7,760 |  |
Change in provisions for losses | (28) |  |
Change in total contract liabilities | $ 7,732 | $ (8,853) |

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