Construction Contracts - Summary of Costs in Excess of Billings and Billings in Excess of Costs (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Construction contract costs and estimated earnings in excess of billings
Beginning balance	$ 243	$ 138
Transferred to receivables	(478)	(665)
Construction contract costs and estimated earnings not billed during the period	232	370
Changes due to cumulative catch-up adjustment arising from changes in the estimate of the stage of completion	235	527
Ending balance	232	370
Billings in excess of construction contract costs and estimated earnings
Beginning balance	4,881	6,088
Revenue recognized that was included in the balance at the beginning of the period	(4,881)	(6,088)
Increases due to new billings, excluding amounts recognized as revenue during the period	16,312	3,791
Changes due to cumulative catch-up adjustment arising from changes in the estimate of the stage of completion	(576)	(1,117)
Ending balance	$ 15,736	$ 2,674