Contracts Receivable and Retainage (Details) - USD ($) $ in Thousands |
6 Months Ended | |
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Jun. 30, 2018 |
Dec. 31, 2017 |
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| Long-term Contracts or Programs Disclosure [Line Items] | ||
| Contract receivable | $ 31,928 | $ 28,466 |
| Allowance for bad debt | 900 | |
| Contract Receivable | Customer Concentration Risk | One Major Customer | ||
| Long-term Contracts or Programs Disclosure [Line Items] | ||
| Contract receivable | $ 12,300 | |
| Percentage of contract receivable | 38.40% |
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- Definition Long-term Contracts or Programs Disclosure [Line Items] No definition available.
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- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount billed to customers under long-term contracts or programs to be collected in the next fiscal year following the latest fiscal year. Excludes amounts due that have been withheld because of retainage provisions in a contract. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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