Concentration of Risk and Enterprise-Wide Disclosures (Tables)

3 Months Ended

Mar. 31, 2024

Trade and contract retainage receivables

Concentration Risk [Line Items]

Schedules of concentration of risk, by risk factor

	March 31, 2024				December 31, 2023
Federal Government	$	15,048	12	%	$	8,885	6	%
State Governments		4,577	4	%		2,355	2	%
Local Governments		17,358	13	%		12,804	9	%
Private Companies		91,578	71	%		119,590	83	%
Gross receivables		128,561	100	%		143,634	100	%
Allowance for credit losses		(366)				(361)
Net receivables	$	128,195			$	143,273

Contract revenues

Concentration Risk [Line Items]

Schedules of concentration of risk, by risk factor

	Three months ended March 31,
	2024		%		2023		%
Federal Government	$	53,382	33	%	$	23,056	14	%
State Governments		13,984	9	%		18,328	12	%
Local Government		28,973	18	%		20,688	13	%
Private Companies		64,333	40	%		97,102	61	%
Total contract revenues	$	160,672	100	%	$	159,174	100	%