XML 35 R25.htm IDEA: XBRL DOCUMENT 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