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Accounts Receivable
3 Months Ended
Mar. 31, 2018
Accounts Receivable Additional Disclosures [Abstract]  
Accounts Receivable
ACCOUNTS RECEIVABLE
Credit is extended based upon an evaluation of the customer’s financial condition and, while collateral is not required, the Company periodically receives surety bonds that guarantee payment. Credit terms are consistent with industry standards and practices. The amounts of trade accounts receivable at March 31, 2018 and December 31, 2017 have been reduced by an allowance for doubtful accounts of $2,026 and $2,151, respectively. Reserves for uncollectable accounts are recorded as part of selling and administrative expenses in the Condensed Consolidated Statements of Operations, and were income of $246 and expense of $475 for the three months ended March 31, 2018 and 2017, respectively.