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Revenue - Schedule of Construction Services Contracts Receivable (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]    
Billed on completed contracts and contracts in progress $ 169,023 $ 216,268
Other receivables 5,644 8,456
Contracts receivable, gross 174,667 224,724
Allowance for doubtful accounts (439) (820)
Contracts receivable, net $ 174,228 $ 223,904