Quarterly report pursuant to Section 13 or 15(d)

Revenue from Contracts with Customers - Contract Balances (Details)

v3.21.2
Revenue from Contracts with Customers - Contract Balances (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]        
Accounts receivable, net $ 112,893 [1] $ 125,010 [1] $ 121,672 $ 95,863
Accounts receivable retainage, net 39,404 30,189 24,359 16,976
Contract Assets:        
Costs and estimated earnings in excess of billings 213,468 [1] 185,960 [1] 179,909 202,243
Contract Liabilities:        
Billings in excess of cost and estimated earnings 28,018 33,984 35,320 26,618
Billings in excess of cost and estimated earnings, non-current 6,795 6,631 4,982 5,560
Total contract liabilities $ 34,813 $ 40,615 $ 40,302 $ 32,178
[1] Includes restricted assets of consolidated variable interest entities (“VIEs”) at September 30, 2021 and December 31, 2020 of $126,088 and $162,198, respectively. Includes non-recourse liabilities of consolidated VIEs at September 30, 2021 and December 31, 2020 of $31,224 and $33,335, respectively. See Note 12.