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Accounts Receivable | 12 Months Ended
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Dec. 31, 2019
Receivables [Abstract] |
Accounts Receivable | ACCOUNTS RECEIVABLE, NET Accounts receivable at December 31 consisted of the following (in thousands):
| 2019 |  | 2018
Trade accounts receivable | $ | 133,238 |  |  | $ | 124,609 |
Costs in excess of billings | 20,607 |  |  | 22,634 |
Total accounts receivables | 153,845 |  |  | 147,243 |
Less allowance for doubtful accounts | (6,330 | ) |  | (6,960 | )
Accounts receivable | $ | 147,515 |  |  | $ | 140,283 |
Refer to Note 3 "Revenue" concerning the Company's costs in excess of billings.

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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