Annual report pursuant to Section 13 and 15(d)

Accounts Receivable and Allowance for Doubtful Accounts (Details)

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Accounts Receivable and Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable - trade $ 90,296  
Retainage 23,868  
Allowance for doubtful accounts (192)  
Accounts receivable, net of allowance for doubtful accounts $ 113,972  
Predecessor [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable - trade   $ 70,192
Retainage   15,307
Allowance for doubtful accounts   (142)
Accounts receivable, net of allowance for doubtful accounts   $ 85,357