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v3.23.1

Organization, Business and Basis of Presentation (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) segment $ / shares | Mar. 31, 2022 USD ($) $ / shares | Dec. 31, 2022 USD ($)
Organization Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Number of business segments (segment) | segment | 2 |  |
Foreign currency gains (losses) | $ 0 | $ 0 |
Revenue recognized, related to change orders and claims included as contract price adjustments | 25,200 |  | $ 19,600
Increase (decrease) in operating income | 27,426 | 24,902 |
Increase (decrease) in net income | $ 23,163 | $ 20,688 |
Increase (decrease) in diluted earnings per common share (in dollars per share) | $ / shares | $ 1.38 | $ 1.21 |
Contracts Accounted for under Percentage of Completion |  |  |
Organization Consolidation and Presentation of Financial Statements [Line Items] |  |  |
Increase (decrease) in consolidated gross margin | (0.60%) | 0.50% |
Increase (decrease) in operating income | $ (5,100) | $ 3,800 |
Increase (decrease) in net income | $ (3,600) | $ 2,700 |
Increase (decrease) in diluted earnings per common share (in dollars per share) | $ / shares | $ (0.21) | $ 0.16 |

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