XML 50 R38.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Basis of Presentation and Significant Accounting Policies (Details) - USD ($)
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Accounting Policies [Abstract]      
Allowance for doubtful accounts against contracts receivable $ 0   $ 0
Contract receivables, retainage 59,273,000   56,855,000
Contract liabilities, retainage $ 79,077,000   86,895,000
Percentage of receivables estimated to be collected in next fiscal year 70.00%    
Decrease in contract asset retainage $ 271,000    
Increase in contract liability retainage 40,889,000    
Contract liability recognized during period $ 148,951,000    
Contract liability revenue recognized   $ 97,830,000  
Ownership interest in subsidiaries 50.00%    
Restricted cash $ 0   $ 0