Quarterly report pursuant to Section 13 or 15(d)

Revenue from Contracts with Customers - Contract Balances (Details)

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Revenue from Contracts with Customers - Contract Balances (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]        
Accounts receivable, net $ 207,990 [1] $ 161,970 [1] $ 115,462 $ 125,010
Accounts receivable retainage, net 43,444 43,067 36,485 30,189
Contract Assets:        
Costs and estimated earnings in excess of billings 663,798 [1] 306,172 [1] 195,027 185,960
Contract Liabilities:        
Billings in excess of cost and estimated earnings 39,787 35,918 26,561 33,984
Billings in excess of cost and estimated earnings, non-current 6,175 6,481 6,082 6,631
Total contract liabilities $ 45,962 $ 42,399 $ 32,643 $ 40,615
[1] Includes restricted assets of consolidated variable interest entities (“VIEs”) at June 30, 2022 and December 31, 2021 of $155,547 and $124,454, respectively. Includes non-recourse liabilities of consolidated VIEs at June 30, 2022 and December 31, 2021 of $32,251 and $31,125, respectively. See Note 12.